Merge Chromium at 7.0.540.0 : Initial merge by git

Not including third_party/icu as it contains huge data files that break Gerrit, and aren't actually used.

Change-Id: I428a386e70f3b58cacd28677b8cfda282e891e15

1 files changed, 243 insertions, 2692 deletions

diff --git a/chrome/common/render_messages.h b/chrome/common/render_messages.h
index e1ec6b3..3d838d6 100644
--- a/chrome/common/render_messages.h
+++ b/chrome/common/render_messages.h
@@ -4,811 +4,111 @@
 
 #ifndef CHROME_COMMON_RENDER_MESSAGES_H_
 #define CHROME_COMMON_RENDER_MESSAGES_H_
+#pragma once
 
-#include <map>
 #include <string>
 #include <vector>
 
-#include "app/clipboard/clipboard.h"
-#include "app/surface/transport_dib.h"
+// TODO(erg): This list has been temporarily annotated by erg while doing work
+// on which headers to pull out.
+#include "app/clipboard/clipboard.h"                   // enum
 #include "base/basictypes.h"
-#include "base/platform_file.h"
 #include "base/ref_counted.h"
-#include "base/shared_memory.h"
 #include "base/string16.h"
 #include "chrome/common/common_param_traits.h"
 #include "chrome/common/css_colors.h"
 #include "chrome/common/dom_storage_common.h"
-#include "chrome/common/edit_command.h"
-#include "chrome/common/extensions/extension_extent.h"
-#include "chrome/common/extensions/url_pattern.h"
-#include "chrome/common/font_descriptor_mac.h"
-#include "chrome/common/indexed_db_key.h"
-#include "chrome/common/navigation_gesture.h"
+#include "chrome/common/indexed_db_param_traits.h"
 #include "chrome/common/page_transition_types.h"
-#include "chrome/common/renderer_preferences.h"
 #include "chrome/common/resource_response.h"
 #include "chrome/common/translate_errors.h"
 #include "chrome/common/view_types.h"
-#include "chrome/common/serialized_script_value.h"
 #include "chrome/common/webkit_param_traits.h"
-#include "chrome/common/window_container_type.h"
 #include "gfx/native_widget_types.h"
-#include "googleurl/src/gurl.h"
 #include "ipc/ipc_message_utils.h"
-#include "ipc/ipc_platform_file.h"
-#include "media/audio/audio_io.h"
-#include "net/base/upload_data.h"
-#include "net/http/http_response_headers.h"
+#include "ipc/ipc_platform_file.h"                     // ifdefed typedef.
+#include "media/audio/audio_buffers_state.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebStorageArea.h"
-#include "third_party/WebKit/WebKit/chromium/public/WebTextDirection.h"
-#include "webkit/appcache/appcache_interfaces.h"
-#include "webkit/glue/context_menu.h"
-#include "webkit/glue/form_data.h"
-#include "webkit/glue/form_field.h"
-#include "webkit/glue/password_form.h"
-#include "webkit/glue/password_form_dom_manager.h"
-#include "webkit/glue/plugins/webplugin.h"
-#include "webkit/glue/plugins/webplugininfo.h"
-#include "webkit/glue/resource_loader_bridge.h"
-#include "webkit/glue/webaccessibility.h"
-#include "webkit/glue/webcookie.h"
-#include "webkit/glue/webdropdata.h"
-#include "webkit/glue/webmenuitem.h"
-#include "webkit/glue/webpreferences.h"
+#include "webkit/appcache/appcache_interfaces.h"  // enum appcache::Status
+#include "webkit/fileapi/file_system_types.h"  // enum fileapi::FileSystemType
+#include "webkit/glue/resource_loader_bridge.h"   // nested classes
+
+#if defined(OS_MACOSX)
+struct FontDescriptor;
+#endif
+
+namespace appcache {
+struct AppCacheInfo;
+struct AppCacheResourceInfo;
+}
 
 namespace base {
 class Time;
 }
 
-class SkBitmap;
-
-// Parameters structure for ViewMsg_Navigate, which has too many data
-// parameters to be reasonably put in a predefined IPC message.
-struct ViewMsg_Navigate_Params {
-  enum NavigationType {
-    // Reload the page.
-    RELOAD,
-
-    // Reload the page, ignoring any cache entries.
-    RELOAD_IGNORING_CACHE,
-
-    // The navigation is the result of session restore and should honor the
-    // page's cache policy while restoring form state. This is set to true if
-    // restoring a tab/session from the previous session and the previous
-    // session did not crash. If this is not set and the page was restored then
-    // the page's cache policy is ignored and we load from the cache.
-    RESTORE,
-
-    // Navigation type not categorized by the other types.
-    NORMAL
-  };
-
-  // The page_id for this navigation, or -1 if it is a new navigation.  Back,
-  // Forward, and Reload navigations should have a valid page_id.  If the load
-  // succeeds, then this page_id will be reflected in the resultant
-  // ViewHostMsg_FrameNavigate message.
-  int32 page_id;
-
-  // If page_id is -1, then pending_history_list_offset will also be -1.
-  // Otherwise, it contains the offset into the history list corresponding to
-  // the current navigation.
-  int pending_history_list_offset;
-
-  // Informs the RenderView of where its current page contents reside in
-  // session history and the total size of the session history list.
-  int current_history_list_offset;
-  int current_history_list_length;
-
-  // The URL to load.
-  GURL url;
-
-  // The URL to send in the "Referer" header field. Can be empty if there is
-  // no referrer.
-  GURL referrer;
-
-  // The type of transition.
-  PageTransition::Type transition;
-
-  // Opaque history state (received by ViewHostMsg_UpdateState).
-  std::string state;
-
-  // Type of navigation.
-  NavigationType navigation_type;
-
-  // The time the request was created
-  base::Time request_time;
-};
-
-// Current status of the audio output stream in the browser process. Browser
-// sends information about the current playback state and error to the
-// renderer process using this type.
-struct ViewMsg_AudioStreamState_Params {
-  enum State {
-    kPlaying,
-    kPaused,
-    kError
-  };
-
-  // Carries the current playback state.
-  State state;
-};
-
-// The user has completed a find-in-page; this type defines what actions the
-// renderer should take next.
-struct ViewMsg_StopFinding_Params {
-  enum Action {
-    kClearSelection,
-    kKeepSelection,
-    kActivateSelection
-  };
-
-  // The action that should be taken when the find is completed.
-  Action action;
-};
-
-// The install state of the search provider (not installed, installed, default).
-struct ViewHostMsg_GetSearchProviderInstallState_Params {
-  enum State {
-    // Equates to an access denied error.
-    DENIED = -1,
-
-    // DON'T CHANGE THE VALUES BELOW.
-    // All of the following values are manidated by the
-    // spec for window.external.IsSearchProviderInstalled.
-
-    // The search provider is not installed.
-    NOT_INSTALLED = 0,
-
-    // The search provider is in the user's set but is not
-    INSTALLED_BUT_NOT_DEFAULT = 1,
-
-    // The search provider is set as the user's default.
-    INSTALLED_AS_DEFAULT = 2
-  };
-  State state;
-
-  ViewHostMsg_GetSearchProviderInstallState_Params()
-      : state(DENIED) {
-  }
-
-  explicit ViewHostMsg_GetSearchProviderInstallState_Params(State s)
-      : state(s) {
-  }
-
-  static ViewHostMsg_GetSearchProviderInstallState_Params Denied() {
-    return ViewHostMsg_GetSearchProviderInstallState_Params(DENIED);
-  }
-
-  static ViewHostMsg_GetSearchProviderInstallState_Params NotInstalled() {
-    return ViewHostMsg_GetSearchProviderInstallState_Params(NOT_INSTALLED);
-  }
-
-  static ViewHostMsg_GetSearchProviderInstallState_Params
-      InstallButNotDefault() {
-    return ViewHostMsg_GetSearchProviderInstallState_Params(
-        INSTALLED_BUT_NOT_DEFAULT);
-  }
-
-  static ViewHostMsg_GetSearchProviderInstallState_Params InstalledAsDefault() {
-    return ViewHostMsg_GetSearchProviderInstallState_Params(
-        INSTALLED_AS_DEFAULT);
-  }
-};
-
-
-// Parameters structure for ViewHostMsg_FrameNavigate, which has too many data
-// parameters to be reasonably put in a predefined IPC message.
-struct ViewHostMsg_FrameNavigate_Params {
-  // Page ID of this navigation. The renderer creates a new unique page ID
-  // anytime a new session history entry is created. This means you'll get new
-  // page IDs for user actions, and the old page IDs will be reloaded when
-  // iframes are loaded automatically.
-  int32 page_id;
-
-  // URL of the page being loaded.
-  GURL url;
-
-  // URL of the referrer of this load. WebKit generates this based on the
-  // source of the event that caused the load.
-  GURL referrer;
-
-  // The type of transition.
-  PageTransition::Type transition;
-
-  // Lists the redirects that occurred on the way to the current page. This
-  // vector has the same format as reported by the WebDataSource in the glue,
-  // with the current page being the last one in the list (so even when
-  // there's no redirect, there will be one entry in the list.
-  std::vector<GURL> redirects;
-
-  // Set to false if we want to update the session history but not update
-  // the browser history.  E.g., on unreachable urls.
-  bool should_update_history;
-
-  // See SearchableFormData for a description of these.
-  GURL searchable_form_url;
-  std::string searchable_form_encoding;
-
-  // See password_form.h.
-  webkit_glue::PasswordForm password_form;
-
-  // Information regarding the security of the connection (empty if the
-  // connection was not secure).
-  std::string security_info;
-
-  // The gesture that initiated this navigation.
-  NavigationGesture gesture;
-
-  // Contents MIME type of main frame.
-  std::string contents_mime_type;
-
-  // True if this was a post request.
-  bool is_post;
-
-  // Whether the content of the frame was replaced with some alternate content
-  // (this can happen if the resource was insecure).
-  bool is_content_filtered;
-
-  // The status code of the HTTP request.
-  int http_status_code;
-};
-
-// Values that may be OR'd together to form the 'flags' parameter of a
-// ViewHostMsg_UpdateRect_Params structure.
-struct ViewHostMsg_UpdateRect_Flags {
-  enum {
-    IS_RESIZE_ACK = 1 << 0,
-    IS_RESTORE_ACK = 1 << 1,
-    IS_REPAINT_ACK = 1 << 2,
-  };
-  static bool is_resize_ack(int flags) {
-    return (flags & IS_RESIZE_ACK) != 0;
-  }
-  static bool is_restore_ack(int flags) {
-    return (flags & IS_RESTORE_ACK) != 0;
-  }
-  static bool is_repaint_ack(int flags) {
-    return (flags & IS_REPAINT_ACK) != 0;
-  }
-};
-
-struct ViewHostMsg_UpdateRect_Params {
-  // The bitmap to be painted into the view at the locations specified by
-  // update_rects.
-  TransportDIB::Id bitmap;
-
-  // The position and size of the bitmap.
-  gfx::Rect bitmap_rect;
-
-  // The scroll offset.  Only one of these can be non-zero, and if they are
-  // both zero, then it means there is no scrolling and the scroll_rect is
-  // ignored.
-  int dx;
-  int dy;
-
-  // The rectangular region to scroll.
-  gfx::Rect scroll_rect;
-
-  // The regions of the bitmap (in view coords) that contain updated pixels.
-  // In the case of scrolling, this includes the scroll damage rect.
-  std::vector<gfx::Rect> copy_rects;
-
-  // The size of the RenderView when this message was generated.  This is
-  // included so the host knows how large the view is from the perspective of
-  // the renderer process.  This is necessary in case a resize operation is in
-  // progress.
-  gfx::Size view_size;
-
-  // New window locations for plugin child windows.
-  std::vector<webkit_glue::WebPluginGeometry> plugin_window_moves;
-
-  // The following describes the various bits that may be set in flags:
-  //
-  //   ViewHostMsg_UpdateRect_Flags::IS_RESIZE_ACK
-  //     Indicates that this is a response to a ViewMsg_Resize message.
-  //
-  //   ViewHostMsg_UpdateRect_Flags::IS_RESTORE_ACK
-  //     Indicates that this is a response to a ViewMsg_WasRestored message.
-  //
-  //   ViewHostMsg_UpdateRect_Flags::IS_REPAINT_ACK
-  //     Indicates that this is a response to a ViewMsg_Repaint message.
-  //
-  // If flags is zero, then this message corresponds to an unsoliticed paint
-  // request by the render view.  Any of the above bits may be set in flags,
-  // which would indicate that this paint message is an ACK for multiple
-  // request messages.
-  int flags;
-};
-
-// Information on closing a tab. This is used both for ViewMsg_ClosePage, and
-// the corresponding ViewHostMsg_ClosePage_ACK.
-struct ViewMsg_ClosePage_Params {
-  // The identifier of the RenderProcessHost for the currently closing view.
-  //
-  // These first two parameters are technically redundant since they are
-  // needed only when processing the ACK message, and the processor
-  // theoretically knows both the process and route ID. However, this is
-  // difficult to figure out with our current implementation, so this
-  // information is duplicate here.
-  int closing_process_id;
-
-  // The route identifier for the currently closing RenderView.
-  int closing_route_id;
-
-  // True when this close is for the first (closing) tab of a cross-site
-  // transition where we switch processes. False indicates the close is for the
-  // entire tab.
-  //
-  // When true, the new_* variables below must be filled in. Otherwise they must
-  // both be -1.
-  bool for_cross_site_transition;
-
-  // The identifier of the RenderProcessHost for the new view attempting to
-  // replace the closing one above. This must be valid when
-  // for_cross_site_transition is set, and must be -1 otherwise.
-  int new_render_process_host_id;
-
-  // The identifier of the *request* the new view made that is causing the
-  // cross-site transition. This is *not* a route_id, but the request that we
-  // will resume once the ACK from the closing view has been received. This
-  // must be valid when for_cross_site_transition is set, and must be -1
-  // otherwise.
-  int new_request_id;
-};
-
-// Parameters for a resource request.
-struct ViewHostMsg_Resource_Request {
-  // The request method: GET, POST, etc.
-  std::string method;
-
-  // The requested URL.
-  GURL url;
-
-  // Usually the URL of the document in the top-level window, which may be
-  // checked by the third-party cookie blocking policy. Leaving it empty may
-  // lead to undesired cookie blocking. Third-party cookie blocking can be
-  // bypassed by setting first_party_for_cookies = url, but this should ideally
-  // only be done if there really is no way to determine the correct value.
-  GURL first_party_for_cookies;
-
-  // The referrer to use (may be empty).
-  GURL referrer;
-
-  // The origin of the frame that is associated with this request.  This is used
-  // to update our insecure content state.
-  std::string frame_origin;
-
-  // The origin of the main frame (top-level frame) that is associated with this
-  // request.  This is used to update our insecure content state.
-  std::string main_frame_origin;
-
-  // Additional HTTP request headers.
-  std::string headers;
-
-  // URLRequest load flags (0 by default).
-  int load_flags;
-
-  // Unique ID of process that originated this request. For normal renderer
-  // requests, this will be the ID of the renderer. For plugin requests routed
-  // through the renderer, this will be the plugin's ID.
-  int origin_child_id;
-
-  // What this resource load is for (main frame, sub-frame, sub-resource,
-  // object).
-  ResourceType::Type resource_type;
-
-  // Used by plugin->browser requests to get the correct URLRequestContext.
-  uint32 request_context;
-
-  // Indicates which frame (or worker context) the request is being loaded into,
-  // or kNoHostId.
-  int appcache_host_id;
-
-  // Optional upload data (may be null).
-  scoped_refptr<net::UploadData> upload_data;
-
-  // The following two members are specified if the request is initiated by
-  // a plugin like Gears.
-
-  // Contains the id of the host renderer.
-  int host_renderer_id;
-
-  // Contains the id of the host render view.
-  int host_render_view_id;
-};
-
-// Parameters for a render request.
-struct ViewMsg_Print_Params {
-  // Physical size of the page, including non-printable margins,
-  // in pixels according to dpi.
-  gfx::Size page_size;
-
-  // In pixels according to dpi_x and dpi_y.
-  gfx::Size printable_size;
-
-  // The y-offset of the printable area, in pixels according to dpi.
-  int margin_top;
-
-  // The x-offset of the printable area, in pixels according to dpi.
-  int margin_left;
-
-  // Specifies dots per inch.
-  double dpi;
-
-  // Minimum shrink factor. See PrintSettings::min_shrink for more information.
-  double min_shrink;
-
-  // Maximum shrink factor. See PrintSettings::max_shrink for more information.
-  double max_shrink;
-
-  // Desired apparent dpi on paper.
-  int desired_dpi;
-
-  // Cookie for the document to ensure correctness.
-  int document_cookie;
-
-  // Should only print currently selected text.
-  bool selection_only;
-
-  // Warning: do not compare document_cookie.
-  bool Equals(const ViewMsg_Print_Params& rhs) const {
-    return page_size == rhs.page_size &&
-           printable_size == rhs.printable_size &&
-           margin_top == rhs.margin_top &&
-           margin_left == rhs.margin_left &&
-           dpi == rhs.dpi &&
-           min_shrink == rhs.min_shrink &&
-           max_shrink == rhs.max_shrink &&
-           desired_dpi == rhs.desired_dpi &&
-           selection_only == rhs.selection_only;
-  }
-
-  // Checking if the current params is empty. Just initialized after a memset.
-  bool IsEmpty() const {
-    return !document_cookie && !desired_dpi && !max_shrink && !min_shrink &&
-           !dpi && printable_size.IsEmpty() && !selection_only &&
-           page_size.IsEmpty() && !margin_top && !margin_left;
-  }
-};
-
-struct ViewMsg_PrintPage_Params {
-  // Parameters to render the page as a printed page. It must always be the same
-  // value for all the document.
-  ViewMsg_Print_Params params;
-
-  // The page number is the indicator of the square that should be rendered
-  // according to the layout specified in ViewMsg_Print_Params.
-  int page_number;
-};
-
-struct ViewMsg_PrintPages_Params {
-  // Parameters to render the page as a printed page. It must always be the same
-  // value for all the document.
-  ViewMsg_Print_Params params;
-
-  // If empty, this means a request to render all the printed pages.
-  std::vector<int> pages;
-};
-
-// Parameters to describe a rendered page.
-struct ViewHostMsg_DidPrintPage_Params {
-  // A shared memory handle to the EMF data. This data can be quite large so a
-  // memory map needs to be used.
-  base::SharedMemoryHandle metafile_data_handle;
-
-  // Size of the metafile data.
-  uint32 data_size;
-
-  // Cookie for the document to ensure correctness.
-  int document_cookie;
-
-  // Page number.
-  int page_number;
-
-  // Shrink factor used to render this page.
-  double actual_shrink;
-
-  // The size of the page the page author specified.
-  gfx::Size page_size;
-
-  // The printable area the page author specified.
-  gfx::Rect content_area;
-
-  // True if the page has visible overlays.
-  bool has_visible_overlays;
-};
-
-// Parameters for creating an audio output stream.
-struct ViewHostMsg_Audio_CreateStream_Params {
-  // Format request for the stream.
-  AudioManager::Format format;
-
-  // Number of channels.
-  int channels;
-
-  // Sampling rate (frequency) of the output stream.
-  int sample_rate;
-
-  // Number of bits per sample;
-  int bits_per_sample;
-
-  // Number of bytes per packet. Determines the maximum number of bytes
-  // transported for each audio packet request.
-  // A value of 0 means that the audio packet size is selected automatically
-  // by the browser process.
-  uint32 packet_size;
-};
-
-// This message is used for supporting popup menus on Mac OS X using native
-// Cocoa controls. The renderer sends us this message which we use to populate
-// the popup menu.
-struct ViewHostMsg_ShowPopup_Params {
-  // Position on the screen.
-  gfx::Rect bounds;
-
-  // The height of each item in the menu.
-  int item_height;
-
-  // The size of the font to use for those items.
-  double item_font_size;
-
-  // The currently selected (displayed) item in the menu.
-  int selected_item;
-
-  // The entire list of items in the popup menu.
-  std::vector<WebMenuItem> popup_items;
-
-  // Whether items should be right-aligned.
-  bool right_aligned;
-};
-
-// Parameters for the IPC message ViewHostMsg_ScriptedPrint
-struct ViewHostMsg_ScriptedPrint_Params {
-  int routing_id;
-  gfx::NativeViewId host_window_id;
-  int cookie;
-  int expected_pages_count;
-  bool has_selection;
-  bool use_overlays;
-};
-
-// Signals a storage event.
-struct ViewMsg_DOMStorageEvent_Params {
-  // The key that generated the storage event.  Null if clear() was called.
-  NullableString16 key_;
-
-  // The old value of this key.  Null on clear() or if it didn't have a value.
-  NullableString16 old_value_;
-
-  // The new value of this key.  Null on removeItem() or clear().
-  NullableString16 new_value_;
-
-  // The origin this is associated with.
-  string16 origin_;
-
-  // The URL of the page that caused the storage event.
-  GURL url_;
-
-  // The storage type of this event.
-  DOMStorageType storage_type_;
-};
-
-// Used to open an indexed database.
-struct ViewHostMsg_IndexedDatabaseOpen_Params {
-  // The routing ID of the view initiating the open.
-  int32 routing_id_;
-
-  // The response should have this id.
-  int32 response_id_;
-
-  // The origin doing the initiating.
-  string16 origin_;
-
-  // The name of the database.
-  string16 name_;
-
-  // The description of the database.
-  string16 description_;
-};
-
-// Used to create an object store.
-struct ViewHostMsg_IDBDatabaseCreateObjectStore_Params {
-  // The response should have this id.
-  int32 response_id_;
-
-  // The name of the object store.
-  string16 name_;
-
-  // The keyPath of the object store.
-  NullableString16 key_path_;
-
-  // Whether the object store created should have a key generator.
-  bool auto_increment_;
-
-  // The database the object store belongs to.
-  int32 idb_database_id_;
-};
-
-// Used to create an index.
-struct ViewHostMsg_IDBObjectStoreCreateIndex_Params {
-  // The response should have this id.
-  int32 response_id_;
-
-  // The name of the index.
-  string16 name_;
-
-  // The keyPath of the index.
-  NullableString16 key_path_;
-
-  // Whether the index created has unique keys.
-  bool unique_;
-
-  // The object store the index belongs to.
-  int32 idb_object_store_id_;
-};
-
-// Allows an extension to execute code in a tab.
-struct ViewMsg_ExecuteCode_Params {
-  ViewMsg_ExecuteCode_Params() {}
-  ViewMsg_ExecuteCode_Params(int request_id, const std::string& extension_id,
-                             const std::vector<URLPattern>& host_permissions,
-                             bool is_javascript, const std::string& code,
-                             bool all_frames)
-    : request_id(request_id), extension_id(extension_id),
-      host_permissions(host_permissions), is_javascript(is_javascript),
-      code(code), all_frames(all_frames) {
-  }
-
-  // The extension API request id, for responding.
-  int request_id;
-
-  // The ID of the requesting extension. To know which isolated world to
-  // execute the code inside of.
-  std::string extension_id;
-
-  // The host permissions of the requesting extension. So that we can check them
-  // right before injecting, to avoid any race conditions.
-  std::vector<URLPattern> host_permissions;
-
-  // Whether the code is JavaScript or CSS.
-  bool is_javascript;
-
-  // String of code to execute.
-  std::string code;
-
-  // Whether to inject into all frames, or only the root frame.
-  bool all_frames;
-};
-
-// Parameters for the message that creates a worker thread.
-struct ViewHostMsg_CreateWorker_Params {
-  // URL for the worker script.
-  GURL url;
-
-  // True if this is a SharedWorker, false if it is a dedicated Worker.
-  bool is_shared;
-
-  // Name for a SharedWorker, otherwise empty string.
-  string16 name;
-
-  // The ID of the parent document (unique within parent renderer).
-  unsigned long long document_id;
-
-  // RenderView routing id used to send messages back to the parent.
-  int render_view_route_id;
-
-  // The route ID to associate with the worker. If MSG_ROUTING_NONE is passed,
-  // a new unique ID is created and assigned to the worker.
-  int route_id;
-
-  // The ID of the parent's appcache host, only valid for dedicated workers.
-  int parent_appcache_host_id;
-
-  // The ID of the appcache the main shared worker script resource was loaded
-  // from, only valid for shared workers.
-  int64 script_resource_appcache_id;
-};
-
-// Parameters for the message that creates a desktop notification.
-struct ViewHostMsg_ShowNotification_Params {
-  // URL which is the origin that created this notification.
-  GURL origin;
-
-  // True if this is HTML
-  bool is_html;
-
-  // URL which contains the HTML contents (if is_html is true), otherwise empty.
-  GURL contents_url;
-
-  // Contents of the notification if is_html is false.
-  GURL icon_url;
-  string16 title;
-  string16 body;
-
-  // Directionality of the notification.
-  WebKit::WebTextDirection direction;
-
-  // ReplaceID if this notification should replace an existing one; may be
-  // empty if no replacement is called for.
-  string16 replace_id;
-
-  // Notification ID for sending events back for this notification.
-  int notification_id;
-};
-
-// Creates a new view via a control message since the view doesn't yet exist.
-struct ViewMsg_New_Params {
-  // The parent window's id.
-  gfx::NativeViewId parent_window;
-
-  // Renderer-wide preferences.
-  RendererPreferences renderer_preferences;
-
-  // Preferences for this view.
-  WebPreferences web_preferences;
-
-  // The ID of the view to be created.
-  int32 view_id;
-
-  // The session storage namespace ID this view should use.
-  int64 session_storage_namespace_id;
-
-  // The name of the frame associated with this view (or empty if none).
-  string16 frame_name;
-};
-
-struct ViewHostMsg_CreateWindow_Params {
-  // Routing ID of the view initiating the open.
-  int opener_id;
-
-  // True if this open request came in the context of a user gesture.
-  bool user_gesture;
-
-  // Type of window requested.
-  WindowContainerType window_container_type;
-
-  // The session storage namespace ID this view should use.
-  int64 session_storage_namespace_id;
-
-  // The name of the resulting frame that should be created (empty if none
-  // has been specified).
-  string16 frame_name;
-};
-
-struct ViewHostMsg_RunFileChooser_Params {
-  enum Mode {
-    // Requires that the file exists before allowing the user to pick it.
-    Open,
-
-    // Like Open, but allows picking multiple files to open.
-    OpenMultiple,
-
-    // Allows picking a nonexistent file, and prompts to overwrite if the file
-    // already exists.
-    Save,
-  };
-
-  Mode mode;
-
-  // Title to be used for the dialog. This may be empty for the default title,
-  // which will be either "Open" or "Save" depending on the mode.
-  string16 title;
-
-  // Default file name to select in the dialog.
-  FilePath default_file_name;
-};
+namespace net {
+class HttpResponseHeaders;
+class UploadData;
+}
 
-struct ViewMsg_ExtensionExtentInfo {
-  std::string extension_id;
-  ExtensionExtent web_extent;
-  ExtensionExtent browse_extent;
-};
+namespace webkit_glue {
+struct FormData;
+class FormField;
+struct PasswordFormFillData;
+struct WebAccessibility;
+struct WebCookie;
+struct WebPluginGeometry;
+struct WebAccessibility;
+}
 
-struct ViewMsg_ExtensionExtentsUpdated_Params {
-  // Describes the installed extension apps and the URLs they cover.
-  std::vector<ViewMsg_ExtensionExtentInfo> extension_apps;
-};
+class ExtensionExtent;
+class GURL;
+class SkBitmap;
+class URLPattern;
+struct ContextMenuParams;
+struct EditCommand;
+struct RendererPreferences;
+struct WebDropData;
+struct WebMenuItem;
+struct WebPluginInfo;
+struct WebPluginMimeType;
+struct WebPreferences;
+
+// Forward declarations of structures used to store data for when we have a lot
+// of parameters.
+struct ViewMsg_Navigate_Params;
+struct ViewMsg_AudioStreamState_Params;
+struct ViewMsg_StopFinding_Params;
+struct ViewHostMsg_GetSearchProviderInstallState_Params;
+struct ViewHostMsg_FrameNavigate_Params;
+struct ViewHostMsg_UpdateRect_Params;
+struct ViewMsg_ClosePage_Params;
+struct ViewHostMsg_Resource_Request;
+struct ViewMsg_Print_Params;
+struct ViewMsg_PrintPage_Params;
+struct ViewMsg_PrintPages_Params;
+struct ViewHostMsg_DidPrintPage_Params;
+struct ViewHostMsg_Audio_CreateStream_Params;
+struct ViewHostMsg_ShowPopup_Params;
+struct ViewHostMsg_ScriptedPrint_Params;
+struct ViewMsg_DOMStorageEvent_Params;
+struct ViewHostMsg_IDBFactoryOpen_Params;
+struct ViewHostMsg_IDBDatabaseCreateObjectStore_Params;
+struct ViewHostMsg_IDBIndexOpenCursor_Params;
+struct ViewHostMsg_IDBObjectStoreCreateIndex_Params;
+struct ViewHostMsg_IDBObjectStoreOpenCursor_Params;
+struct ViewHostMsg_IDBObjectStorePut_Params;
+struct ViewMsg_ExecuteCode_Params;
+struct ViewHostMsg_CreateWorker_Params;
+struct ViewHostMsg_ShowNotification_Params;
+struct ViewMsg_New_Params;
+struct ViewHostMsg_CreateWindow_Params;
+struct ViewHostMsg_RunFileChooser_Params;
+struct ViewMsg_ExtensionRendererInfo;
+struct ViewMsg_ExtensionsUpdated_Params;
+struct ViewMsg_DeviceOrientationUpdated_Params;
+struct ViewHostMsg_DomMessage_Params;
+struct ViewHostMsg_AccessibilityNotification_Params;
 
 // Values that may be OR'd together to form the 'flags' parameter of the
 // ViewMsg_EnablePreferredSizeChangedMode message.
@@ -821,688 +121,74 @@ enum ViewHostMsg_EnablePreferredSizeChangedMode_Flags {
 
 namespace IPC {
 
-template <>
-struct ParamTraits<ResourceType::Type> {
-  typedef ResourceType::Type param_type;
-  static void Write(Message* m, const param_type& p) {
-    m->WriteInt(p);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    int type;
-    if (!m->ReadInt(iter, &type) || !ResourceType::ValidType(type))
-      return false;
-    *p = ResourceType::FromInt(type);
-    return true;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    std::wstring type;
-    switch (p) {
-      case ResourceType::MAIN_FRAME:
-        type = L"MAIN_FRAME";
-        break;
-      case ResourceType::SUB_FRAME:
-        type = L"SUB_FRAME";
-        break;
-      case ResourceType::SUB_RESOURCE:
-        type = L"SUB_RESOURCE";
-        break;
-      case ResourceType::OBJECT:
-        type = L"OBJECT";
-        break;
-      case ResourceType::MEDIA:
-        type = L"MEDIA";
-        break;
-      default:
-        type = L"UNKNOWN";
-        break;
-    }
-
-    LogParam(type, l);
-  }
-};
-
-// Traits for ViewMsg_Navigate_Params structure to pack/unpack.
-template <>
-struct ParamTraits<ViewMsg_Navigate_Params> {
-  typedef ViewMsg_Navigate_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.page_id);
-    WriteParam(m, p.pending_history_list_offset);
-    WriteParam(m, p.current_history_list_offset);
-    WriteParam(m, p.current_history_list_length);
-    WriteParam(m, p.url);
-    WriteParam(m, p.referrer);
-    WriteParam(m, p.transition);
-    WriteParam(m, p.state);
-    WriteParam(m, p.navigation_type);
-    WriteParam(m, p.request_time);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-      ReadParam(m, iter, &p->page_id) &&
-      ReadParam(m, iter, &p->pending_history_list_offset) &&
-      ReadParam(m, iter, &p->current_history_list_offset) &&
-      ReadParam(m, iter, &p->current_history_list_length) &&
-      ReadParam(m, iter, &p->url) &&
-      ReadParam(m, iter, &p->referrer) &&
-      ReadParam(m, iter, &p->transition) &&
-      ReadParam(m, iter, &p->state) &&
-      ReadParam(m, iter, &p->navigation_type) &&
-      ReadParam(m, iter, &p->request_time);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.page_id, l);
-    l->append(L", ");
-    LogParam(p.url, l);
-    l->append(L", ");
-    LogParam(p.transition, l);
-    l->append(L", ");
-    LogParam(p.state, l);
-    l->append(L", ");
-    LogParam(p.navigation_type, l);
-    l->append(L", ");
-    LogParam(p.request_time, l);
-    l->append(L")");
-  }
-};
-
-template<>
-struct ParamTraits<ViewMsg_Navigate_Params::NavigationType> {
-  typedef ViewMsg_Navigate_Params::NavigationType param_type;
-  static void Write(Message* m, const param_type& p) {
-    m->WriteInt(p);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    int type;
-    if (!m->ReadInt(iter, &type))
-      return false;
-    *p = static_cast<ViewMsg_Navigate_Params::NavigationType>(type);
-    return true;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    std::wstring event;
-    switch (p) {
-      case ViewMsg_Navigate_Params::RELOAD:
-        event = L"NavigationType_RELOAD";
-        break;
-
-    case ViewMsg_Navigate_Params::RELOAD_IGNORING_CACHE:
-        event = L"NavigationType_RELOAD_IGNORING_CACHE";
-        break;
-
-      case ViewMsg_Navigate_Params::RESTORE:
-        event = L"NavigationType_RESTORE";
-        break;
-
-      case ViewMsg_Navigate_Params::NORMAL:
-        event = L"NavigationType_NORMAL";
-        break;
-
-      default:
-        event = L"NavigationType_UNKNOWN";
-        break;
-    }
-    LogParam(event, l);
-  }
-};
-
 // Traits for FormField_Params structure to pack/unpack.
 template <>
 struct ParamTraits<webkit_glue::FormField> {
   typedef webkit_glue::FormField param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.label());
-    WriteParam(m, p.name());
-    WriteParam(m, p.value());
-    WriteParam(m, p.form_control_type());
-    WriteParam(m, p.size());
-    WriteParam(m, p.option_strings());
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    string16 label, name, value, form_control_type;
-    int size = 0;
-    std::vector<string16> options;
-    bool result = ReadParam(m, iter, &label);
-    result = result && ReadParam(m, iter, &name);
-    result = result && ReadParam(m, iter, &value);
-    result = result && ReadParam(m, iter, &form_control_type);
-    result = result && ReadParam(m, iter, &size);
-    result = result && ReadParam(m, iter, &options);
-    if (!result)
-      return false;
-
-    p->set_label(label);
-    p->set_name(name);
-    p->set_value(value);
-    p->set_form_control_type(form_control_type);
-    p->set_size(size);
-    p->set_option_strings(options);
-    return true;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<FormField>");
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
+#if defined(OS_MACOSX)
 // Traits for FontDescriptor structure to pack/unpack.
 template <>
 struct ParamTraits<FontDescriptor> {
   typedef FontDescriptor param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.font_name);
-    WriteParam(m, p.font_point_size);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return(
-        ReadParam(m, iter, &p->font_name) &&
-        ReadParam(m, iter, &p->font_point_size));
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<FontDescriptor>");
-  }
-};
-
-// Traits for ViewHostMsg_GetSearchProviderInstallState_Params structure to
-// pack/unpack.
-template <>
-struct ParamTraits<ViewHostMsg_GetSearchProviderInstallState_Params> {
-  typedef ViewHostMsg_GetSearchProviderInstallState_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    m->WriteInt(p.state);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    int type;
-    if (!m->ReadInt(iter, &type))
-      return false;
-    p->state = static_cast<param_type::State>(type);
-    return true;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    std::wstring state;
-    switch (p.state) {
-      case ViewHostMsg_GetSearchProviderInstallState_Params::DENIED:
-        state = L"ViewHostMsg_GetSearchProviderInstallState_Params::DENIED";
-        break;
-      case ViewHostMsg_GetSearchProviderInstallState_Params::NOT_INSTALLED:
-        state =
-            L"ViewHostMsg_GetSearchProviderInstallState_Params::NOT_INSTALLED";
-        break;
-      case ViewHostMsg_GetSearchProviderInstallState_Params::
-          INSTALLED_BUT_NOT_DEFAULT:
-        state = L"ViewHostMsg_GetSearchProviderInstallState_Params::"
-                L"INSTALLED_BUT_NOT_DEFAULT";
-        break;
-      case ViewHostMsg_GetSearchProviderInstallState_Params::
-          INSTALLED_AS_DEFAULT:
-        state = L"ViewHostMsg_GetSearchProviderInstallState_Params::"
-                L"INSTALLED_AS_DEFAULT";
-        break;
-      default:
-        state = L"UNKNOWN";
-        break;
-    }
-    LogParam(state, l);
-  }
-};
-
-// Traits for ViewHostMsg_FrameNavigate_Params structure to pack/unpack.
-template <>
-struct ParamTraits<ViewHostMsg_FrameNavigate_Params> {
-  typedef ViewHostMsg_FrameNavigate_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.page_id);
-    WriteParam(m, p.url);
-    WriteParam(m, p.referrer);
-    WriteParam(m, p.transition);
-    WriteParam(m, p.redirects);
-    WriteParam(m, p.should_update_history);
-    WriteParam(m, p.searchable_form_url);
-    WriteParam(m, p.searchable_form_encoding);
-    WriteParam(m, p.password_form);
-    WriteParam(m, p.security_info);
-    WriteParam(m, p.gesture);
-    WriteParam(m, p.contents_mime_type);
-    WriteParam(m, p.is_post);
-    WriteParam(m, p.is_content_filtered);
-    WriteParam(m, p.http_status_code);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-      ReadParam(m, iter, &p->page_id) &&
-      ReadParam(m, iter, &p->url) &&
-      ReadParam(m, iter, &p->referrer) &&
-      ReadParam(m, iter, &p->transition) &&
-      ReadParam(m, iter, &p->redirects) &&
-      ReadParam(m, iter, &p->should_update_history) &&
-      ReadParam(m, iter, &p->searchable_form_url) &&
-      ReadParam(m, iter, &p->searchable_form_encoding) &&
-      ReadParam(m, iter, &p->password_form) &&
-      ReadParam(m, iter, &p->security_info) &&
-      ReadParam(m, iter, &p->gesture) &&
-      ReadParam(m, iter, &p->contents_mime_type) &&
-      ReadParam(m, iter, &p->is_post) &&
-      ReadParam(m, iter, &p->is_content_filtered) &&
-      ReadParam(m, iter, &p->http_status_code);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.page_id, l);
-    l->append(L", ");
-    LogParam(p.url, l);
-    l->append(L", ");
-    LogParam(p.referrer, l);
-    l->append(L", ");
-    LogParam(p.transition, l);
-    l->append(L", ");
-    LogParam(p.redirects, l);
-    l->append(L", ");
-    LogParam(p.should_update_history, l);
-    l->append(L", ");
-    LogParam(p.searchable_form_url, l);
-    l->append(L", ");
-    LogParam(p.searchable_form_encoding, l);
-    l->append(L", ");
-    LogParam(p.password_form, l);
-    l->append(L", ");
-    LogParam(p.security_info, l);
-    l->append(L", ");
-    LogParam(p.gesture, l);
-    l->append(L", ");
-    LogParam(p.contents_mime_type, l);
-    l->append(L", ");
-    LogParam(p.is_post, l);
-    l->append(L", ");
-    LogParam(p.is_content_filtered, l);
-    l->append(L", ");
-    LogParam(p.http_status_code, l);
-    l->append(L")");
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
+#endif
 
 template <>
 struct ParamTraits<ContextMenuParams> {
   typedef ContextMenuParams param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.media_type);
-    WriteParam(m, p.x);
-    WriteParam(m, p.y);
-    WriteParam(m, p.link_url);
-    WriteParam(m, p.unfiltered_link_url);
-    WriteParam(m, p.src_url);
-    WriteParam(m, p.is_image_blocked);
-    WriteParam(m, p.page_url);
-    WriteParam(m, p.frame_url);
-    WriteParam(m, p.media_flags);
-    WriteParam(m, p.selection_text);
-    WriteParam(m, p.misspelled_word);
-    WriteParam(m, p.dictionary_suggestions);
-    WriteParam(m, p.spellcheck_enabled);
-    WriteParam(m, p.is_editable);
-#if defined(OS_MACOSX)
-    WriteParam(m, p.writing_direction_default);
-    WriteParam(m, p.writing_direction_left_to_right);
-    WriteParam(m, p.writing_direction_right_to_left);
-#endif  // OS_MACOSX
-    WriteParam(m, p.edit_flags);
-    WriteParam(m, p.security_info);
-    WriteParam(m, p.frame_charset);
-    WriteParam(m, p.custom_items);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-      ReadParam(m, iter, &p->media_type) &&
-      ReadParam(m, iter, &p->x) &&
-      ReadParam(m, iter, &p->y) &&
-      ReadParam(m, iter, &p->link_url) &&
-      ReadParam(m, iter, &p->unfiltered_link_url) &&
-      ReadParam(m, iter, &p->src_url) &&
-      ReadParam(m, iter, &p->is_image_blocked) &&
-      ReadParam(m, iter, &p->page_url) &&
-      ReadParam(m, iter, &p->frame_url) &&
-      ReadParam(m, iter, &p->media_flags) &&
-      ReadParam(m, iter, &p->selection_text) &&
-      ReadParam(m, iter, &p->misspelled_word) &&
-      ReadParam(m, iter, &p->dictionary_suggestions) &&
-      ReadParam(m, iter, &p->spellcheck_enabled) &&
-      ReadParam(m, iter, &p->is_editable) &&
-#if defined(OS_MACOSX)
-      ReadParam(m, iter, &p->writing_direction_default) &&
-      ReadParam(m, iter, &p->writing_direction_left_to_right) &&
-      ReadParam(m, iter, &p->writing_direction_right_to_left) &&
-#endif  // OS_MACOSX
-      ReadParam(m, iter, &p->edit_flags) &&
-      ReadParam(m, iter, &p->security_info) &&
-      ReadParam(m, iter, &p->frame_charset) &&
-      ReadParam(m, iter, &p->custom_items);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<ContextMenuParams>");
-  }
-};
-
-// Traits for ViewHostMsg_UpdateRect_Params structure to pack/unpack.
-template <>
-struct ParamTraits<ViewHostMsg_UpdateRect_Params> {
-  typedef ViewHostMsg_UpdateRect_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.bitmap);
-    WriteParam(m, p.bitmap_rect);
-    WriteParam(m, p.dx);
-    WriteParam(m, p.dy);
-    WriteParam(m, p.scroll_rect);
-    WriteParam(m, p.copy_rects);
-    WriteParam(m, p.view_size);
-    WriteParam(m, p.plugin_window_moves);
-    WriteParam(m, p.flags);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-      ReadParam(m, iter, &p->bitmap) &&
-      ReadParam(m, iter, &p->bitmap_rect) &&
-      ReadParam(m, iter, &p->dx) &&
-      ReadParam(m, iter, &p->dy) &&
-      ReadParam(m, iter, &p->scroll_rect) &&
-      ReadParam(m, iter, &p->copy_rects) &&
-      ReadParam(m, iter, &p->view_size) &&
-      ReadParam(m, iter, &p->plugin_window_moves) &&
-      ReadParam(m, iter, &p->flags);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.bitmap, l);
-    l->append(L", ");
-    LogParam(p.bitmap_rect, l);
-    l->append(L", ");
-    LogParam(p.dx, l);
-    l->append(L", ");
-    LogParam(p.dy, l);
-    l->append(L", ");
-    LogParam(p.scroll_rect, l);
-    l->append(L", ");
-    LogParam(p.copy_rects, l);
-    l->append(L", ");
-    LogParam(p.view_size, l);
-    l->append(L", ");
-    LogParam(p.plugin_window_moves, l);
-    l->append(L", ");
-    LogParam(p.flags, l);
-    l->append(L")");
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
 template <>
 struct ParamTraits<webkit_glue::WebPluginGeometry> {
   typedef webkit_glue::WebPluginGeometry param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.window);
-    WriteParam(m, p.window_rect);
-    WriteParam(m, p.clip_rect);
-    WriteParam(m, p.cutout_rects);
-    WriteParam(m, p.rects_valid);
-    WriteParam(m, p.visible);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-      ReadParam(m, iter, &p->window) &&
-      ReadParam(m, iter, &p->window_rect) &&
-      ReadParam(m, iter, &p->clip_rect) &&
-      ReadParam(m, iter, &p->cutout_rects) &&
-      ReadParam(m, iter, &p->rects_valid) &&
-      ReadParam(m, iter, &p->visible);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.window, l);
-    l->append(L", ");
-    LogParam(p.window_rect, l);
-    l->append(L", ");
-    LogParam(p.clip_rect, l);
-    l->append(L", ");
-    LogParam(p.cutout_rects, l);
-    l->append(L", ");
-    LogParam(p.rects_valid, l);
-    l->append(L", ");
-    LogParam(p.visible, l);
-    l->append(L")");
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
 // Traits for ViewMsg_GetPlugins_Reply structure to pack/unpack.
 template <>
 struct ParamTraits<WebPluginMimeType> {
   typedef WebPluginMimeType param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.mime_type);
-    WriteParam(m, p.file_extensions);
-    WriteParam(m, p.description);
-  }
-  static bool Read(const Message* m, void** iter, param_type* r) {
-    return
-      ReadParam(m, iter, &r->mime_type) &&
-      ReadParam(m, iter, &r->file_extensions) &&
-      ReadParam(m, iter, &r->description);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.mime_type, l);
-    l->append(L", ");
-    LogParam(p.file_extensions, l);
-    l->append(L", ");
-    LogParam(p.description, l);
-    l->append(L")");
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
 };
 
-
 template <>
 struct ParamTraits<WebPluginInfo> {
   typedef WebPluginInfo param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.name);
-    WriteParam(m, p.path);
-    WriteParam(m, p.version);
-    WriteParam(m, p.desc);
-    WriteParam(m, p.mime_types);
-  }
-  static bool Read(const Message* m, void** iter, param_type* r) {
-    return
-      ReadParam(m, iter, &r->name) &&
-      ReadParam(m, iter, &r->path) &&
-      ReadParam(m, iter, &r->version) &&
-      ReadParam(m, iter, &r->desc) &&
-      ReadParam(m, iter, &r->mime_types);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.name, l);
-    l->append(L", ");
-    l->append(L", ");
-    LogParam(p.path, l);
-    l->append(L", ");
-    LogParam(p.version, l);
-    l->append(L", ");
-    LogParam(p.desc, l);
-    l->append(L", ");
-    LogParam(p.mime_types, l);
-    l->append(L")");
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
 };
 
 // Traits for webkit_glue::PasswordFormDomManager::FillData.
 template <>
 struct ParamTraits<webkit_glue::PasswordFormFillData> {
   typedef webkit_glue::PasswordFormFillData param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.basic_data);
-    WriteParam(m, p.additional_logins);
-    WriteParam(m, p.wait_for_username);
-  }
-  static bool Read(const Message* m, void** iter, param_type* r) {
-    return
-      ReadParam(m, iter, &r->basic_data) &&
-      ReadParam(m, iter, &r->additional_logins) &&
-      ReadParam(m, iter, &r->wait_for_username);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<PasswordFormFillData>");
-  }
-};
-
-template<>
-struct ParamTraits<NavigationGesture> {
-  typedef NavigationGesture param_type;
-  static void Write(Message* m, const param_type& p) {
-    m->WriteInt(p);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    int type;
-    if (!m->ReadInt(iter, &type))
-      return false;
-    *p = static_cast<NavigationGesture>(type);
-    return true;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    std::wstring event;
-    switch (p) {
-      case NavigationGestureUser:
-        event = L"GESTURE_USER";
-        break;
-      case NavigationGestureAuto:
-        event = L"GESTURE_AUTO";
-        break;
-      default:
-        event = L"GESTURE_UNKNOWN";
-        break;
-    }
-    LogParam(event, l);
-  }
-};
-
-// Traits for ViewMsg_Close_Params.
-template <>
-struct ParamTraits<ViewMsg_ClosePage_Params> {
-  typedef ViewMsg_ClosePage_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.closing_process_id);
-    WriteParam(m, p.closing_route_id);
-    WriteParam(m, p.for_cross_site_transition);
-    WriteParam(m, p.new_render_process_host_id);
-    WriteParam(m, p.new_request_id);
-  }
-
-  static bool Read(const Message* m, void** iter, param_type* r) {
-    return ReadParam(m, iter, &r->closing_process_id) &&
-           ReadParam(m, iter, &r->closing_route_id) &&
-           ReadParam(m, iter, &r->for_cross_site_transition) &&
-           ReadParam(m, iter, &r->new_render_process_host_id) &&
-           ReadParam(m, iter, &r->new_request_id);
-  }
-
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.closing_process_id, l);
-    l->append(L", ");
-    LogParam(p.closing_route_id, l);
-    l->append(L", ");
-    LogParam(p.for_cross_site_transition, l);
-    l->append(L", ");
-    LogParam(p.new_render_process_host_id, l);
-    l->append(L", ");
-    LogParam(p.new_request_id, l);
-    l->append(L")");
-  }
-};
-
-// Traits for ViewHostMsg_Resource_Request
-template <>
-struct ParamTraits<ViewHostMsg_Resource_Request> {
-  typedef ViewHostMsg_Resource_Request param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.method);
-    WriteParam(m, p.url);
-    WriteParam(m, p.first_party_for_cookies);
-    WriteParam(m, p.referrer);
-    WriteParam(m, p.frame_origin);
-    WriteParam(m, p.main_frame_origin);
-    WriteParam(m, p.headers);
-    WriteParam(m, p.load_flags);
-    WriteParam(m, p.origin_child_id);
-    WriteParam(m, p.resource_type);
-    WriteParam(m, p.request_context);
-    WriteParam(m, p.appcache_host_id);
-    WriteParam(m, p.upload_data);
-    WriteParam(m, p.host_renderer_id);
-    WriteParam(m, p.host_render_view_id);
-  }
-  static bool Read(const Message* m, void** iter, param_type* r) {
-    return
-      ReadParam(m, iter, &r->method) &&
-      ReadParam(m, iter, &r->url) &&
-      ReadParam(m, iter, &r->first_party_for_cookies) &&
-      ReadParam(m, iter, &r->referrer) &&
-      ReadParam(m, iter, &r->frame_origin) &&
-      ReadParam(m, iter, &r->main_frame_origin) &&
-      ReadParam(m, iter, &r->headers) &&
-      ReadParam(m, iter, &r->load_flags) &&
-      ReadParam(m, iter, &r->origin_child_id) &&
-      ReadParam(m, iter, &r->resource_type) &&
-      ReadParam(m, iter, &r->request_context) &&
-      ReadParam(m, iter, &r->appcache_host_id) &&
-      ReadParam(m, iter, &r->upload_data) &&
-      ReadParam(m, iter, &r->host_renderer_id) &&
-      ReadParam(m, iter, &r->host_render_view_id);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.method, l);
-    l->append(L", ");
-    LogParam(p.url, l);
-    l->append(L", ");
-    LogParam(p.referrer, l);
-    l->append(L", ");
-    LogParam(p.frame_origin, l);
-    l->append(L", ");
-    LogParam(p.main_frame_origin, l);
-    l->append(L", ");
-    LogParam(p.load_flags, l);
-    l->append(L", ");
-    LogParam(p.origin_child_id, l);
-    l->append(L", ");
-    LogParam(p.resource_type, l);
-    l->append(L", ");
-    LogParam(p.request_context, l);
-    l->append(L", ");
-    LogParam(p.appcache_host_id, l);
-    l->append(L", ");
-    LogParam(p.host_renderer_id, l);
-    l->append(L", ");
-    LogParam(p.host_render_view_id, l);
-    l->append(L")");
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
 };
 
 template <>
 struct ParamTraits<scoped_refptr<net::HttpResponseHeaders> > {
   typedef scoped_refptr<net::HttpResponseHeaders> param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.get() != NULL);
-    if (p) {
-      // Do not disclose Set-Cookie headers over IPC.
-      p->Persist(m, net::HttpResponseHeaders::PERSIST_SANS_COOKIES);
-    }
-  }
-  static bool Read(const Message* m, void** iter, param_type* r) {
-    bool has_object;
-    if (!ReadParam(m, iter, &has_object))
-      return false;
-    if (has_object)
-      *r = new net::HttpResponseHeaders(*m, iter);
-    return true;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<HttpResponseHeaders>");
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
 };
 
 // Traits for webkit_glue::ResourceLoaderBridge::LoadTimingInfo
@@ -1549,34 +235,34 @@ struct ParamTraits<webkit_glue::ResourceLoaderBridge::LoadTimingInfo> {
         ReadParam(m, iter, &r->receive_headers_start) &&
         ReadParam(m, iter, &r->receive_headers_end);
   }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
+  static void Log(const param_type& p, std::string* l) {
+    l->append("(");
     LogParam(p.base_time, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.proxy_start, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.proxy_end, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.dns_start, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.dns_end, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.connect_start, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.connect_end, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.ssl_start, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.ssl_end, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.send_start, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.send_end, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.receive_headers_start, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.receive_headers_end, l);
-    l->append(L")");
+    l->append(")");
   }
 };
 
@@ -1597,6 +283,7 @@ struct ParamTraits<webkit_glue::ResourceLoaderBridge::ResponseInfo> {
     WriteParam(m, p.connection_id);
     WriteParam(m, p.connection_reused);
     WriteParam(m, p.load_timing);
+    WriteParam(m, p.download_file_path);
     WriteParam(m, p.was_fetched_via_spdy);
     WriteParam(m, p.was_npn_negotiated);
     WriteParam(m, p.was_alternate_protocol_available);
@@ -1616,45 +303,48 @@ struct ParamTraits<webkit_glue::ResourceLoaderBridge::ResponseInfo> {
         ReadParam(m, iter, &r->connection_id) &&
         ReadParam(m, iter, &r->connection_reused) &&
         ReadParam(m, iter, &r->load_timing) &&
+        ReadParam(m, iter, &r->download_file_path) &&
         ReadParam(m, iter, &r->was_fetched_via_spdy) &&
         ReadParam(m, iter, &r->was_npn_negotiated) &&
         ReadParam(m, iter, &r->was_alternate_protocol_available) &&
         ReadParam(m, iter, &r->was_fetched_via_proxy);
   }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
+  static void Log(const param_type& p, std::string* l) {
+    l->append("(");
     LogParam(p.request_time, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.response_time, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.headers, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.mime_type, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.charset, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.security_info, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.content_length, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.appcache_id, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.appcache_manifest_url, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.connection_id, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.connection_reused, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.load_timing, l);
-    l->append(L", ");
+    l->append(", ");
+    LogParam(p.download_file_path, l);
+    l->append(", ");
     LogParam(p.was_fetched_via_spdy, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.was_npn_negotiated, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.was_alternate_protocol_available, l);
-    l->append(L", ");
+    l->append(", ");
     LogParam(p.was_fetched_via_proxy, l);
-    l->append(L")");
+    l->append(")");
   }
 };
 
@@ -1672,7 +362,7 @@ struct ParamTraits<ResourceResponseHead> {
         ReadParam(m, iter, &r->status) &&
         ReadParam(m, iter, &r->replace_extension_localization_templates);
   }
-  static void Log(const param_type& p, std::wstring* l) {
+  static void Log(const param_type& p, std::string* l) {
     // log more?
     ParamTraits<webkit_glue::ResourceLoaderBridge::ResponseInfo>::Log(p, l);
   }
@@ -1692,211 +382,19 @@ struct ParamTraits<SyncLoadResult> {
       ReadParam(m, iter, &r->final_url) &&
       ReadParam(m, iter, &r->data);
   }
-  static void Log(const param_type& p, std::wstring* l) {
+  static void Log(const param_type& p, std::string* l) {
     // log more?
     ParamTraits<webkit_glue::ResourceLoaderBridge::ResponseInfo>::Log(p, l);
   }
 };
 
-template <>
-struct ParamTraits<SerializedScriptValue> {
-  typedef SerializedScriptValue param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.is_null());
-    WriteParam(m, p.is_invalid());
-    WriteParam(m, p.data());
-  }
-  static bool Read(const Message* m, void** iter, param_type* r) {
-    bool is_null;
-    bool is_invalid;
-    string16 data;
-    bool ok =
-      ReadParam(m, iter, &is_null) &&
-      ReadParam(m, iter, &is_invalid) &&
-      ReadParam(m, iter, &data);
-    if (!ok)
-      return false;
-    r->set_is_null(is_null);
-    r->set_is_invalid(is_invalid);
-    r->set_data(data);
-    return true;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<SerializedScriptValue>(");
-    LogParam(p.is_null(), l);
-    l->append(L", ");
-    LogParam(p.is_invalid(), l);
-    l->append(L", ");
-    LogParam(p.data(), l);
-    l->append(L")");
-  }
-};
-
-template <>
-struct ParamTraits<IndexedDBKey> {
-  typedef IndexedDBKey param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, int(p.type()));
-    // TODO(jorlow): Technically, we only need to pack the type being used.
-    WriteParam(m, p.string());
-    WriteParam(m, p.number());
-  }
-  static bool Read(const Message* m, void** iter, param_type* r) {
-    int type;
-    string16 string;
-    int32 number;
-    bool ok =
-      ReadParam(m, iter, &type) &&
-      ReadParam(m, iter, &string) &&
-      ReadParam(m, iter, &number);
-    if (!ok)
-      return false;
-    switch (type) {
-      case WebKit::WebIDBKey::NullType:
-        r->SetNull();
-        return true;
-      case WebKit::WebIDBKey::StringType:
-        r->Set(string);
-        return true;
-      case WebKit::WebIDBKey::NumberType:
-        r->Set(number);
-        return true;
-      case WebKit::WebIDBKey::InvalidType:
-        r->SetInvalid();
-        return true;
-    }
-    NOTREACHED();
-    return false;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<IndexedDBKey>(");
-    LogParam(int(p.type()), l);
-    l->append(L", ");
-    LogParam(p.string(), l);
-    l->append(L", ");
-    LogParam(p.number(), l);
-    l->append(L")");
-  }
-};
-
 // Traits for FormData structure to pack/unpack.
 template <>
 struct ParamTraits<webkit_glue::FormData> {
   typedef webkit_glue::FormData param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.name);
-    WriteParam(m, p.method);
-    WriteParam(m, p.origin);
-    WriteParam(m, p.action);
-    WriteParam(m, p.fields);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-      ReadParam(m, iter, &p->name) &&
-      ReadParam(m, iter, &p->method) &&
-      ReadParam(m, iter, &p->origin) &&
-      ReadParam(m, iter, &p->action) &&
-      ReadParam(m, iter, &p->fields);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<FormData>");
-  }
-};
-
-// Traits for ViewMsg_Print_Params
-template <>
-struct ParamTraits<ViewMsg_Print_Params> {
-  typedef ViewMsg_Print_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.page_size);
-    WriteParam(m, p.printable_size);
-    WriteParam(m, p.margin_top);
-    WriteParam(m, p.margin_left);
-    WriteParam(m, p.dpi);
-    WriteParam(m, p.min_shrink);
-    WriteParam(m, p.max_shrink);
-    WriteParam(m, p.desired_dpi);
-    WriteParam(m, p.document_cookie);
-    WriteParam(m, p.selection_only);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return ReadParam(m, iter, &p->page_size) &&
-           ReadParam(m, iter, &p->printable_size) &&
-           ReadParam(m, iter, &p->margin_top) &&
-           ReadParam(m, iter, &p->margin_left) &&
-           ReadParam(m, iter, &p->dpi) &&
-           ReadParam(m, iter, &p->min_shrink) &&
-           ReadParam(m, iter, &p->max_shrink) &&
-           ReadParam(m, iter, &p->desired_dpi) &&
-           ReadParam(m, iter, &p->document_cookie) &&
-           ReadParam(m, iter, &p->selection_only);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<ViewMsg_Print_Params>");
-  }
-};
-
-// Traits for ViewMsg_PrintPage_Params
-template <>
-struct ParamTraits<ViewMsg_PrintPage_Params> {
-  typedef ViewMsg_PrintPage_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.params);
-    WriteParam(m, p.page_number);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return ReadParam(m, iter, &p->params) &&
-           ReadParam(m, iter, &p->page_number);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<ViewMsg_PrintPage_Params>");
-  }
-};
-
-// Traits for ViewMsg_PrintPages_Params
-template <>
-struct ParamTraits<ViewMsg_PrintPages_Params> {
-  typedef ViewMsg_PrintPages_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.params);
-    WriteParam(m, p.pages);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return ReadParam(m, iter, &p->params) &&
-           ReadParam(m, iter, &p->pages);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<ViewMsg_PrintPages_Params>");
-  }
-};
-
-// Traits for ViewHostMsg_DidPrintPage_Params
-template <>
-struct ParamTraits<ViewHostMsg_DidPrintPage_Params> {
-  typedef ViewHostMsg_DidPrintPage_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.metafile_data_handle);
-    WriteParam(m, p.data_size);
-    WriteParam(m, p.document_cookie);
-    WriteParam(m, p.page_number);
-    WriteParam(m, p.actual_shrink);
-    WriteParam(m, p.page_size);
-    WriteParam(m, p.content_area);
-    WriteParam(m, p.has_visible_overlays);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return ReadParam(m, iter, &p->metafile_data_handle) &&
-           ReadParam(m, iter, &p->data_size) &&
-           ReadParam(m, iter, &p->document_cookie) &&
-           ReadParam(m, iter, &p->page_number) &&
-           ReadParam(m, iter, &p->actual_shrink) &&
-           ReadParam(m, iter, &p->page_size) &&
-           ReadParam(m, iter, &p->content_area) &&
-           ReadParam(m, iter, &p->has_visible_overlays);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<ViewHostMsg_DidPrintPage_Params>");
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
 // Traits for reading/writing CSS Colors
@@ -1909,290 +407,38 @@ struct ParamTraits<CSSColors::CSSColorName> {
   static bool Read(const Message* m, void** iter, param_type* p) {
     return ReadParam(m, iter, reinterpret_cast<int*>(p));
   }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<CSSColorName>");
+  static void Log(const param_type& p, std::string* l) {
+    l->append("<CSSColorName>");
   }
 };
 
-
 // Traits for RendererPreferences structure to pack/unpack.
 template <>
 struct ParamTraits<RendererPreferences> {
   typedef RendererPreferences param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.can_accept_load_drops);
-    WriteParam(m, p.should_antialias_text);
-    WriteParam(m, static_cast<int>(p.hinting));
-    WriteParam(m, static_cast<int>(p.subpixel_rendering));
-    WriteParam(m, p.focus_ring_color);
-    WriteParam(m, p.thumb_active_color);
-    WriteParam(m, p.thumb_inactive_color);
-    WriteParam(m, p.track_color);
-    WriteParam(m, p.active_selection_bg_color);
-    WriteParam(m, p.active_selection_fg_color);
-    WriteParam(m, p.inactive_selection_bg_color);
-    WriteParam(m, p.inactive_selection_fg_color);
-    WriteParam(m, p.browser_handles_top_level_requests);
-    WriteParam(m, p.caret_blink_interval);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    if (!ReadParam(m, iter, &p->can_accept_load_drops))
-      return false;
-    if (!ReadParam(m, iter, &p->should_antialias_text))
-      return false;
-
-    int hinting = 0;
-    if (!ReadParam(m, iter, &hinting))
-      return false;
-    p->hinting = static_cast<RendererPreferencesHintingEnum>(hinting);
-
-    int subpixel_rendering = 0;
-    if (!ReadParam(m, iter, &subpixel_rendering))
-      return false;
-    p->subpixel_rendering =
-        static_cast<RendererPreferencesSubpixelRenderingEnum>(
-            subpixel_rendering);
-
-    int focus_ring_color;
-    if (!ReadParam(m, iter, &focus_ring_color))
-      return false;
-    p->focus_ring_color = focus_ring_color;
-
-    int thumb_active_color, thumb_inactive_color, track_color;
-    int active_selection_bg_color, active_selection_fg_color;
-    int inactive_selection_bg_color, inactive_selection_fg_color;
-    if (!ReadParam(m, iter, &thumb_active_color) ||
-        !ReadParam(m, iter, &thumb_inactive_color) ||
-        !ReadParam(m, iter, &track_color) ||
-        !ReadParam(m, iter, &active_selection_bg_color) ||
-        !ReadParam(m, iter, &active_selection_fg_color) ||
-        !ReadParam(m, iter, &inactive_selection_bg_color) ||
-        !ReadParam(m, iter, &inactive_selection_fg_color))
-      return false;
-    p->thumb_active_color = thumb_active_color;
-    p->thumb_inactive_color = thumb_inactive_color;
-    p->track_color = track_color;
-    p->active_selection_bg_color = active_selection_bg_color;
-    p->active_selection_fg_color = active_selection_fg_color;
-    p->inactive_selection_bg_color = inactive_selection_bg_color;
-    p->inactive_selection_fg_color = inactive_selection_fg_color;
-
-    if (!ReadParam(m, iter, &p->browser_handles_top_level_requests))
-      return false;
-
-    if (!ReadParam(m, iter, &p->caret_blink_interval))
-      return false;
-
-    return true;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<RendererPreferences>");
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
 // Traits for WebPreferences structure to pack/unpack.
 template <>
 struct ParamTraits<WebPreferences> {
   typedef WebPreferences param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.standard_font_family);
-    WriteParam(m, p.fixed_font_family);
-    WriteParam(m, p.serif_font_family);
-    WriteParam(m, p.sans_serif_font_family);
-    WriteParam(m, p.cursive_font_family);
-    WriteParam(m, p.fantasy_font_family);
-    WriteParam(m, p.default_font_size);
-    WriteParam(m, p.default_fixed_font_size);
-    WriteParam(m, p.minimum_font_size);
-    WriteParam(m, p.minimum_logical_font_size);
-    WriteParam(m, p.default_encoding);
-    WriteParam(m, p.javascript_enabled);
-    WriteParam(m, p.web_security_enabled);
-    WriteParam(m, p.javascript_can_open_windows_automatically);
-    WriteParam(m, p.loads_images_automatically);
-    WriteParam(m, p.plugins_enabled);
-    WriteParam(m, p.dom_paste_enabled);
-    WriteParam(m, p.developer_extras_enabled);
-    WriteParam(m, p.inspector_settings);
-    WriteParam(m, p.site_specific_quirks_enabled);
-    WriteParam(m, p.shrinks_standalone_images_to_fit);
-    WriteParam(m, p.uses_universal_detector);
-    WriteParam(m, p.text_areas_are_resizable);
-    WriteParam(m, p.java_enabled);
-    WriteParam(m, p.allow_scripts_to_close_windows);
-    WriteParam(m, p.uses_page_cache);
-    WriteParam(m, p.remote_fonts_enabled);
-    WriteParam(m, p.javascript_can_access_clipboard);
-    WriteParam(m, p.xss_auditor_enabled);
-    WriteParam(m, p.local_storage_enabled);
-    WriteParam(m, p.databases_enabled);
-    WriteParam(m, p.application_cache_enabled);
-    WriteParam(m, p.tabs_to_links);
-    WriteParam(m, p.user_style_sheet_enabled);
-    WriteParam(m, p.user_style_sheet_location);
-    WriteParam(m, p.author_and_user_styles_enabled);
-    WriteParam(m, p.allow_universal_access_from_file_urls);
-    WriteParam(m, p.allow_file_access_from_file_urls);
-    WriteParam(m, p.experimental_webgl_enabled);
-    WriteParam(m, p.show_composited_layer_borders);
-    WriteParam(m, p.accelerated_compositing_enabled);
-    WriteParam(m, p.memory_info_enabled);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-        ReadParam(m, iter, &p->standard_font_family) &&
-        ReadParam(m, iter, &p->fixed_font_family) &&
-        ReadParam(m, iter, &p->serif_font_family) &&
-        ReadParam(m, iter, &p->sans_serif_font_family) &&
-        ReadParam(m, iter, &p->cursive_font_family) &&
-        ReadParam(m, iter, &p->fantasy_font_family) &&
-        ReadParam(m, iter, &p->default_font_size) &&
-        ReadParam(m, iter, &p->default_fixed_font_size) &&
-        ReadParam(m, iter, &p->minimum_font_size) &&
-        ReadParam(m, iter, &p->minimum_logical_font_size) &&
-        ReadParam(m, iter, &p->default_encoding) &&
-        ReadParam(m, iter, &p->javascript_enabled) &&
-        ReadParam(m, iter, &p->web_security_enabled) &&
-        ReadParam(m, iter, &p->javascript_can_open_windows_automatically) &&
-        ReadParam(m, iter, &p->loads_images_automatically) &&
-        ReadParam(m, iter, &p->plugins_enabled) &&
-        ReadParam(m, iter, &p->dom_paste_enabled) &&
-        ReadParam(m, iter, &p->developer_extras_enabled) &&
-        ReadParam(m, iter, &p->inspector_settings) &&
-        ReadParam(m, iter, &p->site_specific_quirks_enabled) &&
-        ReadParam(m, iter, &p->shrinks_standalone_images_to_fit) &&
-        ReadParam(m, iter, &p->uses_universal_detector) &&
-        ReadParam(m, iter, &p->text_areas_are_resizable) &&
-        ReadParam(m, iter, &p->java_enabled) &&
-        ReadParam(m, iter, &p->allow_scripts_to_close_windows) &&
-        ReadParam(m, iter, &p->uses_page_cache) &&
-        ReadParam(m, iter, &p->remote_fonts_enabled) &&
-        ReadParam(m, iter, &p->javascript_can_access_clipboard) &&
-        ReadParam(m, iter, &p->xss_auditor_enabled) &&
-        ReadParam(m, iter, &p->local_storage_enabled) &&
-        ReadParam(m, iter, &p->databases_enabled) &&
-        ReadParam(m, iter, &p->application_cache_enabled) &&
-        ReadParam(m, iter, &p->tabs_to_links) &&
-        ReadParam(m, iter, &p->user_style_sheet_enabled) &&
-        ReadParam(m, iter, &p->user_style_sheet_location) &&
-        ReadParam(m, iter, &p->author_and_user_styles_enabled) &&
-        ReadParam(m, iter, &p->allow_universal_access_from_file_urls) &&
-        ReadParam(m, iter, &p->allow_file_access_from_file_urls) &&
-        ReadParam(m, iter, &p->experimental_webgl_enabled) &&
-        ReadParam(m, iter, &p->show_composited_layer_borders) &&
-        ReadParam(m, iter, &p->accelerated_compositing_enabled) &&
-        ReadParam(m, iter, &p->memory_info_enabled);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<WebPreferences>");
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
 // Traits for WebDropData
 template <>
 struct ParamTraits<WebDropData> {
   typedef WebDropData param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.identity);
-    WriteParam(m, p.url);
-    WriteParam(m, p.url_title);
-    WriteParam(m, p.download_metadata);
-    WriteParam(m, p.file_extension);
-    WriteParam(m, p.filenames);
-    WriteParam(m, p.plain_text);
-    WriteParam(m, p.text_html);
-    WriteParam(m, p.html_base_url);
-    WriteParam(m, p.file_description_filename);
-    WriteParam(m, p.file_contents);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-      ReadParam(m, iter, &p->identity) &&
-      ReadParam(m, iter, &p->url) &&
-      ReadParam(m, iter, &p->url_title) &&
-      ReadParam(m, iter, &p->download_metadata) &&
-      ReadParam(m, iter, &p->file_extension) &&
-      ReadParam(m, iter, &p->filenames) &&
-      ReadParam(m, iter, &p->plain_text) &&
-      ReadParam(m, iter, &p->text_html) &&
-      ReadParam(m, iter, &p->html_base_url) &&
-      ReadParam(m, iter, &p->file_description_filename) &&
-      ReadParam(m, iter, &p->file_contents);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<WebDropData>");
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
-// Traits for AudioManager::Format.
-template <>
-struct ParamTraits<AudioManager::Format> {
-  typedef AudioManager::Format param_type;
-  static void Write(Message* m, const param_type& p) {
-    m->WriteInt(p);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    int type;
-    if (!m->ReadInt(iter, &type))
-      return false;
-    *p = static_cast<AudioManager::Format>(type);
-    return true;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    std::wstring format;
-    switch (p) {
-     case AudioManager::AUDIO_PCM_LINEAR:
-       format = L"AUDIO_PCM_LINEAR";
-       break;
-     case AudioManager::AUDIO_PCM_LOW_LATENCY:
-       format = L"AUDIO_PCM_LOW_LATENCY";
-       break;
-     case AudioManager::AUDIO_MOCK:
-       format = L"AUDIO_MOCK";
-       break;
-     default:
-       format = L"AUDIO_LAST_FORMAT";
-       break;
-    }
-    LogParam(format, l);
-  }
-};
-
-// Traits for ViewHostMsg_Audio_CreateStream_Params.
-template <>
-struct ParamTraits<ViewHostMsg_Audio_CreateStream_Params> {
-  typedef ViewHostMsg_Audio_CreateStream_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.format);
-    WriteParam(m, p.channels);
-    WriteParam(m, p.sample_rate);
-    WriteParam(m, p.bits_per_sample);
-    WriteParam(m, p.packet_size);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-      ReadParam(m, iter, &p->format) &&
-      ReadParam(m, iter, &p->channels) &&
-      ReadParam(m, iter, &p->sample_rate) &&
-      ReadParam(m, iter, &p->bits_per_sample) &&
-      ReadParam(m, iter, &p->packet_size);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<ViewHostMsg_Audio_CreateStream_Params>(");
-    LogParam(p.format, l);
-    l->append(L", ");
-    LogParam(p.channels, l);
-    l->append(L", ");
-    LogParam(p.sample_rate, l);
-    l->append(L", ");
-    LogParam(p.bits_per_sample, l);
-    l->append(L", ");
-    LogParam(p.packet_size, l);
-    l->append(L")");
-  }
-};
-
-
 #if defined(OS_POSIX)
 
 // TODO(port): this shouldn't exist. However, the plugin stuff is really using
@@ -2211,80 +457,14 @@ struct ParamTraits<gfx::NativeView> {
     return true;
   }
 
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(StringPrintf(L"<gfx::NativeView>"));
+  static void Log(const param_type& p, std::string* l) {
+    l->append(StringPrintf("<gfx::NativeView>"));
   }
 };
 
 #endif  // defined(OS_POSIX)
 
 template <>
-struct ParamTraits<ViewMsg_AudioStreamState_Params> {
-  typedef ViewMsg_AudioStreamState_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    m->WriteInt(p.state);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    int type;
-    if (!m->ReadInt(iter, &type))
-      return false;
-    p->state = static_cast<ViewMsg_AudioStreamState_Params::State>(type);
-    return true;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    std::wstring state;
-    switch (p.state) {
-     case ViewMsg_AudioStreamState_Params::kPlaying:
-       state = L"ViewMsg_AudioStreamState_Params::kPlaying";
-       break;
-     case ViewMsg_AudioStreamState_Params::kPaused:
-       state = L"ViewMsg_AudioStreamState_Params::kPaused";
-       break;
-     case ViewMsg_AudioStreamState_Params::kError:
-       state = L"ViewMsg_AudioStreamState_Params::kError";
-       break;
-     default:
-       state = L"UNKNOWN";
-       break;
-    }
-    LogParam(state, l);
-  }
-};
-
-template <>
-struct ParamTraits<ViewMsg_StopFinding_Params> {
-  typedef ViewMsg_StopFinding_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    m->WriteInt(p.action);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    int type;
-    if (!m->ReadInt(iter, &type))
-      return false;
-    p->action = static_cast<ViewMsg_StopFinding_Params::Action>(type);
-    return true;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    std::wstring action;
-    switch (p.action) {
-     case ViewMsg_StopFinding_Params::kClearSelection:
-       action = L"ViewMsg_StopFinding_Params::kClearSelection";
-       break;
-     case ViewMsg_StopFinding_Params::kKeepSelection:
-       action = L"ViewMsg_StopFinding_Params::kKeepSelection";
-       break;
-     case ViewMsg_StopFinding_Params::kActivateSelection:
-       action = L"ViewMsg_StopFinding_Params::kActivateSelection";
-       break;
-     default:
-       action = L"UNKNOWN";
-       break;
-    }
-    LogParam(action, l);
-  }
-};
-
-template <>
 struct ParamTraits<appcache::Status> {
   typedef appcache::Status param_type;
   static void Write(Message* m, const param_type& p) {
@@ -2297,29 +477,29 @@ struct ParamTraits<appcache::Status> {
     *p = static_cast<param_type>(type);
     return true;
   }
-  static void Log(const param_type& p, std::wstring* l) {
-    std::wstring state;
+  static void Log(const param_type& p, std::string* l) {
+    std::string state;
     switch (p) {
       case appcache::UNCACHED:
-        state = L"UNCACHED";
+        state = "UNCACHED";
         break;
       case appcache::IDLE:
-        state = L"IDLE";
+        state = "IDLE";
         break;
       case appcache::CHECKING:
-        state = L"CHECKING";
+        state = "CHECKING";
         break;
       case appcache::DOWNLOADING:
-        state = L"DOWNLOADING";
+        state = "DOWNLOADING";
         break;
       case appcache::UPDATE_READY:
-        state = L"UPDATE_READY";
+        state = "UPDATE_READY";
         break;
       case appcache::OBSOLETE:
-        state = L"OBSOLETE";
+        state = "OBSOLETE";
         break;
       default:
-        state = L"InvalidStatusValue";
+        state = "InvalidStatusValue";
         break;
     }
 
@@ -2340,35 +520,35 @@ struct ParamTraits<appcache::EventID> {
     *p = static_cast<param_type>(type);
     return true;
   }
-  static void Log(const param_type& p, std::wstring* l) {
-    std::wstring state;
+  static void Log(const param_type& p, std::string* l) {
+    std::string state;
     switch (p) {
       case appcache::CHECKING_EVENT:
-        state = L"CHECKING_EVENT";
+        state = "CHECKING_EVENT";
         break;
       case appcache::ERROR_EVENT:
-        state = L"ERROR_EVENT";
+        state = "ERROR_EVENT";
         break;
       case appcache::NO_UPDATE_EVENT:
-        state = L"NO_UPDATE_EVENT";
+        state = "NO_UPDATE_EVENT";
         break;
       case appcache::DOWNLOADING_EVENT:
-        state = L"DOWNLOADING_EVENT";
+        state = "DOWNLOADING_EVENT";
         break;
       case appcache::PROGRESS_EVENT:
-        state = L"PROGRESS_EVENT";
+        state = "PROGRESS_EVENT";
         break;
       case appcache::UPDATE_READY_EVENT:
-        state = L"UPDATE_READY_EVENT";
+        state = "UPDATE_READY_EVENT";
         break;
       case appcache::CACHED_EVENT:
-        state = L"CACHED_EVENT";
+        state = "CACHED_EVENT";
         break;
       case appcache::OBSOLETE_EVENT:
-        state = L"OBSOLETE_EVENT";
+        state = "OBSOLETE_EVENT";
         break;
       default:
-        state = L"InvalidEventValue";
+        state = "InvalidEventValue";
         break;
     }
 
@@ -2377,145 +557,11 @@ struct ParamTraits<appcache::EventID> {
 };
 
 template<>
-struct ParamTraits<WebMenuItem::Type> {
-  typedef WebMenuItem::Type param_type;
-  static void Write(Message* m, const param_type& p) {
-    m->WriteInt(p);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    int type;
-    if (!m->ReadInt(iter, &type))
-      return false;
-    *p = static_cast<WebMenuItem::Type>(type);
-    return true;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    std::wstring type;
-    switch (p) {
-      case WebMenuItem::OPTION:
-        type = L"OPTION";
-        break;
-      case WebMenuItem::GROUP:
-        type = L"GROUP";
-        break;
-      case WebMenuItem::SEPARATOR:
-        type = L"SEPARATOR";
-        break;
-      default:
-        type = L"UNKNOWN";
-        break;
-    }
-    LogParam(type, l);
-  }
-};
-
-template<>
 struct ParamTraits<WebMenuItem> {
   typedef WebMenuItem param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.label);
-    WriteParam(m, p.type);
-    WriteParam(m, p.enabled);
-    WriteParam(m, p.checked);
-    WriteParam(m, p.action);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-        ReadParam(m, iter, &p->label) &&
-        ReadParam(m, iter, &p->type) &&
-        ReadParam(m, iter, &p->enabled) &&
-        ReadParam(m, iter, &p->checked) &&
-        ReadParam(m, iter, &p->action);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.label, l);
-    l->append(L", ");
-    LogParam(p.type, l);
-    l->append(L", ");
-    LogParam(p.enabled, l);
-    l->append(L", ");
-    LogParam(p.checked, l);
-    l->append(L", ");
-    LogParam(p.action, l);
-    l->append(L")");
-  }
-};
-
-// Traits for ViewHostMsg_ShowPopup_Params.
-template <>
-struct ParamTraits<ViewHostMsg_ShowPopup_Params> {
-  typedef ViewHostMsg_ShowPopup_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.bounds);
-    WriteParam(m, p.item_height);
-    WriteParam(m, p.item_font_size);
-    WriteParam(m, p.selected_item);
-    WriteParam(m, p.popup_items);
-    WriteParam(m, p.right_aligned);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-        ReadParam(m, iter, &p->bounds) &&
-        ReadParam(m, iter, &p->item_height) &&
-        ReadParam(m, iter, &p->item_font_size) &&
-        ReadParam(m, iter, &p->selected_item) &&
-        ReadParam(m, iter, &p->popup_items) &&
-        ReadParam(m, iter, &p->right_aligned);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.bounds, l);
-    l->append(L", ");
-    LogParam(p.item_height, l);
-    l->append(L", ");
-    LogParam(p.item_font_size, l);
-    l->append(L", ");
-    LogParam(p.selected_item, l);
-    l->append(L", ");
-    LogParam(p.popup_items, l);
-    l->append(L", ");
-    LogParam(p.right_aligned, l);
-    l->append(L")");
-  }
-};
-
-// Traits for ViewHostMsg_ScriptedPrint_Params.
-template <>
-struct ParamTraits<ViewHostMsg_ScriptedPrint_Params> {
-  typedef ViewHostMsg_ScriptedPrint_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.routing_id);
-    WriteParam(m, p.host_window_id);
-    WriteParam(m, p.cookie);
-    WriteParam(m, p.expected_pages_count);
-    WriteParam(m, p.has_selection);
-    WriteParam(m, p.use_overlays);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-        ReadParam(m, iter, &p->routing_id) &&
-        ReadParam(m, iter, &p->host_window_id) &&
-        ReadParam(m, iter, &p->cookie) &&
-        ReadParam(m, iter, &p->expected_pages_count) &&
-        ReadParam(m, iter, &p->has_selection) &&
-        ReadParam(m, iter, &p->use_overlays);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.routing_id, l);
-    l->append(L", ");
-    LogParam(p.host_window_id, l);
-    l->append(L", ");
-    LogParam(p.cookie, l);
-    l->append(L", ");
-    LogParam(p.expected_pages_count, l);
-    l->append(L", ");
-    LogParam(p.has_selection, l);
-    l->append(L",");
-    LogParam(p.use_overlays, l);
-    l->append(L")");
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
 template <>
@@ -2527,23 +573,9 @@ struct SimilarTypeTraits<ViewType::Type> {
 template <>
 struct ParamTraits<URLPattern> {
   typedef URLPattern param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.valid_schemes());
-    WriteParam(m, p.GetAsString());
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    int valid_schemes;
-    std::string spec;
-    if (!ReadParam(m, iter, &valid_schemes) ||
-        !ReadParam(m, iter, &spec))
-      return false;
-
-    p->set_valid_schemes(valid_schemes);
-    return p->Parse(spec);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    LogParam(p.GetAsString(), l);
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
 template <>
@@ -2559,22 +591,22 @@ struct ParamTraits<Clipboard::Buffer> {
     *p = Clipboard::FromInt(buffer);
     return true;
   }
-  static void Log(const param_type& p, std::wstring* l) {
-    std::wstring type;
+  static void Log(const param_type& p, std::string* l) {
+    std::string type;
     switch (p) {
       case Clipboard::BUFFER_STANDARD:
-        type = L"BUFFER_STANDARD";
+        type = "BUFFER_STANDARD";
         break;
 #if defined(USE_X11)
       case Clipboard::BUFFER_SELECTION:
-        type = L"BUFFER_SELECTION";
+        type = "BUFFER_SELECTION";
         break;
 #endif
       case Clipboard::BUFFER_DRAG:
-        type = L"BUFFER_DRAG";
+        type = "BUFFER_DRAG";
         break;
       default:
-        type = L"UNKNOWN";
+        type = "UNKNOWN";
         break;
     }
 
@@ -2586,20 +618,9 @@ struct ParamTraits<Clipboard::Buffer> {
 template <>
 struct ParamTraits<EditCommand> {
   typedef EditCommand param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.name);
-    WriteParam(m, p.value);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return ReadParam(m, iter, &p->name) && ReadParam(m, iter, &p->value);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.name, l);
-    l->append(L":");
-    LogParam(p.value, l);
-    l->append(L")");
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
 // Traits for DOMStorageType enum.
@@ -2616,18 +637,18 @@ struct ParamTraits<DOMStorageType> {
     *p = static_cast<param_type>(type);
     return true;
   }
-  static void Log(const param_type& p, std::wstring* l) {
-    std::wstring control;
+  static void Log(const param_type& p, std::string* l) {
+    std::string control;
     switch (p) {
       case DOM_STORAGE_LOCAL:
-        control = L"DOM_STORAGE_LOCAL";
+        control = "DOM_STORAGE_LOCAL";
         break;
       case DOM_STORAGE_SESSION:
-        control = L"DOM_STORAGE_SESSION";
+        control = "DOM_STORAGE_SESSION";
         break;
       default:
         NOTIMPLEMENTED();
-        control = L"UNKNOWN";
+        control = "UNKNOWN";
         break;
     }
     LogParam(control, l);
@@ -2648,354 +669,34 @@ struct ParamTraits<WebKit::WebStorageArea::Result> {
     *p = static_cast<param_type>(type);
     return true;
   }
-  static void Log(const param_type& p, std::wstring* l) {
-    std::wstring control;
+  static void Log(const param_type& p, std::string* l) {
+    std::string control;
     switch (p) {
       case WebKit::WebStorageArea::ResultOK:
-        control = L"WebKit::WebStorageArea::ResultOK";
+        control = "WebKit::WebStorageArea::ResultOK";
         break;
       case WebKit::WebStorageArea::ResultBlockedByQuota:
-        control = L"WebKit::WebStorageArea::ResultBlockedByQuota";
+        control = "WebKit::WebStorageArea::ResultBlockedByQuota";
         break;
       case WebKit::WebStorageArea::ResultBlockedByPolicy:
-        control = L"WebKit::WebStorageArea::ResultBlockedByPolicy";
+        control = "WebKit::WebStorageArea::ResultBlockedByPolicy";
         break;
       default:
         NOTIMPLEMENTED();
-        control = L"UNKNOWN";
+        control = "UNKNOWN";
         break;
     }
     LogParam(control, l);
   }
 };
 
-// Traits for ViewMsg_DOMStorageEvent_Params.
-template <>
-struct ParamTraits<ViewMsg_DOMStorageEvent_Params> {
-  typedef ViewMsg_DOMStorageEvent_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.key_);
-    WriteParam(m, p.old_value_);
-    WriteParam(m, p.new_value_);
-    WriteParam(m, p.origin_);
-    WriteParam(m, p.url_);
-    WriteParam(m, p.storage_type_);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-        ReadParam(m, iter, &p->key_) &&
-        ReadParam(m, iter, &p->old_value_) &&
-        ReadParam(m, iter, &p->new_value_) &&
-        ReadParam(m, iter, &p->origin_) &&
-        ReadParam(m, iter, &p->url_) &&
-        ReadParam(m, iter, &p->storage_type_);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.key_, l);
-    l->append(L", ");
-    LogParam(p.old_value_, l);
-    l->append(L", ");
-    LogParam(p.new_value_, l);
-    l->append(L", ");
-    LogParam(p.origin_, l);
-    l->append(L", ");
-    LogParam(p.url_, l);
-    l->append(L", ");
-    LogParam(p.storage_type_, l);
-    l->append(L")");
-  }
-};
-
-// Traits for ViewHostMsg_IndexedDatabaseOpen_Params.
-template <>
-struct ParamTraits<ViewHostMsg_IndexedDatabaseOpen_Params> {
-  typedef ViewHostMsg_IndexedDatabaseOpen_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.routing_id_);
-    WriteParam(m, p.response_id_);
-    WriteParam(m, p.origin_);
-    WriteParam(m, p.name_);
-    WriteParam(m, p.description_);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-        ReadParam(m, iter, &p->routing_id_) &&
-        ReadParam(m, iter, &p->response_id_) &&
-        ReadParam(m, iter, &p->origin_) &&
-        ReadParam(m, iter, &p->name_) &&
-        ReadParam(m, iter, &p->description_);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.routing_id_, l);
-    l->append(L", ");
-    LogParam(p.response_id_, l);
-    l->append(L", ");
-    LogParam(p.origin_, l);
-    l->append(L", ");
-    LogParam(p.name_, l);
-    l->append(L", ");
-    LogParam(p.description_, l);
-    l->append(L")");
-  }
-};
-
-// Traits for ViewHostMsg_IDBDatabaseCreateObjectStore_Params.
-template <>
-struct ParamTraits<ViewHostMsg_IDBDatabaseCreateObjectStore_Params> {
-  typedef ViewHostMsg_IDBDatabaseCreateObjectStore_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.response_id_);
-    WriteParam(m, p.name_);
-    WriteParam(m, p.key_path_);
-    WriteParam(m, p.auto_increment_);
-    WriteParam(m, p.idb_database_id_);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-        ReadParam(m, iter, &p->response_id_) &&
-        ReadParam(m, iter, &p->name_) &&
-        ReadParam(m, iter, &p->key_path_) &&
-        ReadParam(m, iter, &p->auto_increment_) &&
-        ReadParam(m, iter, &p->idb_database_id_);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.response_id_, l);
-    l->append(L", ");
-    LogParam(p.name_, l);
-    l->append(L", ");
-    LogParam(p.key_path_, l);
-    l->append(L", ");
-    LogParam(p.auto_increment_, l);
-    l->append(L", ");
-    LogParam(p.idb_database_id_, l);
-    l->append(L")");
-  }
-};
-
-// Traits for ViewHostMsg_IDBObjectStoreCreateIndex_Params.
-template <>
-struct ParamTraits<ViewHostMsg_IDBObjectStoreCreateIndex_Params> {
-  typedef ViewHostMsg_IDBObjectStoreCreateIndex_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.response_id_);
-    WriteParam(m, p.name_);
-    WriteParam(m, p.key_path_);
-    WriteParam(m, p.unique_);
-    WriteParam(m, p.idb_object_store_id_);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-        ReadParam(m, iter, &p->response_id_) &&
-        ReadParam(m, iter, &p->name_) &&
-        ReadParam(m, iter, &p->key_path_) &&
-        ReadParam(m, iter, &p->unique_) &&
-        ReadParam(m, iter, &p->idb_object_store_id_);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.response_id_, l);
-    l->append(L", ");
-    LogParam(p.name_, l);
-    l->append(L", ");
-    LogParam(p.key_path_, l);
-    l->append(L", ");
-    LogParam(p.unique_, l);
-    l->append(L", ");
-    LogParam(p.idb_object_store_id_, l);
-    l->append(L")");
-  }
-};
-
-// Traits for ViewHostMsg_CreateWorker_Params
-template <>
-struct ParamTraits<ViewHostMsg_CreateWorker_Params> {
-  typedef ViewHostMsg_CreateWorker_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.url);
-    WriteParam(m, p.is_shared);
-    WriteParam(m, p.name);
-    WriteParam(m, p.document_id);
-    WriteParam(m, p.render_view_route_id);
-    WriteParam(m, p.route_id);
-    WriteParam(m, p.parent_appcache_host_id);
-    WriteParam(m, p.script_resource_appcache_id);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-        ReadParam(m, iter, &p->url) &&
-        ReadParam(m, iter, &p->is_shared) &&
-        ReadParam(m, iter, &p->name) &&
-        ReadParam(m, iter, &p->document_id) &&
-        ReadParam(m, iter, &p->render_view_route_id) &&
-        ReadParam(m, iter, &p->route_id) &&
-        ReadParam(m, iter, &p->parent_appcache_host_id) &&
-        ReadParam(m, iter, &p->script_resource_appcache_id);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.url, l);
-    l->append(L", ");
-    LogParam(p.is_shared, l);
-    l->append(L", ");
-    LogParam(p.name, l);
-    l->append(L", ");
-    LogParam(p.document_id, l);
-    l->append(L", ");
-    LogParam(p.render_view_route_id, l);
-    l->append(L",");
-    LogParam(p.route_id, l);
-    l->append(L", ");
-    LogParam(p.parent_appcache_host_id, l);
-    l->append(L",");
-    LogParam(p.script_resource_appcache_id, l);
-    l->append(L")");
-  }
-};
-
-// Traits for ShowNotification_Params
-template <>
-struct ParamTraits<ViewHostMsg_ShowNotification_Params> {
-  typedef ViewHostMsg_ShowNotification_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.origin);
-    WriteParam(m, p.is_html);
-    WriteParam(m, p.contents_url);
-    WriteParam(m, p.icon_url);
-    WriteParam(m, p.title);
-    WriteParam(m, p.body);
-    WriteParam(m, p.direction);
-    WriteParam(m, p.replace_id);
-    WriteParam(m, p.notification_id);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-        ReadParam(m, iter, &p->origin) &&
-        ReadParam(m, iter, &p->is_html) &&
-        ReadParam(m, iter, &p->contents_url) &&
-        ReadParam(m, iter, &p->icon_url) &&
-        ReadParam(m, iter, &p->title) &&
-        ReadParam(m, iter, &p->body) &&
-        ReadParam(m, iter, &p->direction) &&
-        ReadParam(m, iter, &p->replace_id) &&
-        ReadParam(m, iter, &p->notification_id);
-  }
-  static void Log(const param_type &p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.origin, l);
-    l->append(L", ");
-    LogParam(p.is_html, l);
-    l->append(L", ");
-    LogParam(p.contents_url, l);
-    l->append(L", ");
-    LogParam(p.icon_url, l);
-    l->append(L", ");
-    LogParam(p.title, l);
-    l->append(L",");
-    LogParam(p.body, l);
-    l->append(L",");
-    LogParam(p.direction, l);
-    l->append(L",");
-    LogParam(p.replace_id, l);
-    l->append(L",");
-    LogParam(p.notification_id, l);
-    l->append(L")");
-  }
-};
-
 // Traits for WebCookie
 template <>
 struct ParamTraits<webkit_glue::WebCookie> {
   typedef webkit_glue::WebCookie param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.name);
-    WriteParam(m, p.value);
-    WriteParam(m, p.domain);
-    WriteParam(m, p.path);
-    WriteParam(m, p.expires);
-    WriteParam(m, p.http_only);
-    WriteParam(m, p.secure);
-    WriteParam(m, p.session);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-      ReadParam(m, iter, &p->name) &&
-      ReadParam(m, iter, &p->value) &&
-      ReadParam(m, iter, &p->domain) &&
-      ReadParam(m, iter, &p->path) &&
-      ReadParam(m, iter, &p->expires) &&
-      ReadParam(m, iter, &p->http_only) &&
-      ReadParam(m, iter, &p->secure) &&
-      ReadParam(m, iter, &p->session);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<WebCookie>");
-  }
-};
-
-template<>
-struct ParamTraits<ViewMsg_ExecuteCode_Params> {
-  typedef ViewMsg_ExecuteCode_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.request_id);
-    WriteParam(m, p.extension_id);
-    WriteParam(m, p.host_permissions);
-    WriteParam(m, p.is_javascript);
-    WriteParam(m, p.code);
-    WriteParam(m, p.all_frames);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-      ReadParam(m, iter, &p->request_id) &&
-      ReadParam(m, iter, &p->extension_id) &&
-      ReadParam(m, iter, &p->host_permissions) &&
-      ReadParam(m, iter, &p->is_javascript) &&
-      ReadParam(m, iter, &p->code) &&
-      ReadParam(m, iter, &p->all_frames);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"<ViewMsg_ExecuteCode_Params>");
-  }
-};
-
-template<>
-struct ParamTraits<ViewMsg_New_Params> {
-  typedef ViewMsg_New_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.parent_window);
-    WriteParam(m, p.renderer_preferences);
-    WriteParam(m, p.web_preferences);
-    WriteParam(m, p.view_id);
-    WriteParam(m, p.session_storage_namespace_id);
-    WriteParam(m, p.frame_name);
-  }
-
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-      ReadParam(m, iter, &p->parent_window) &&
-      ReadParam(m, iter, &p->renderer_preferences) &&
-      ReadParam(m, iter, &p->web_preferences) &&
-      ReadParam(m, iter, &p->view_id) &&
-      ReadParam(m, iter, &p->session_storage_namespace_id) &&
-      ReadParam(m, iter, &p->frame_name);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.parent_window, l);
-    l->append(L", ");
-    LogParam(p.renderer_preferences, l);
-    l->append(L", ");
-    LogParam(p.web_preferences, l);
-    l->append(L", ");
-    LogParam(p.view_id, l);
-    l->append(L", ");
-    LogParam(p.session_storage_namespace_id, l);
-    l->append(L", ");
-    LogParam(p.frame_name, l);
-    l->append(L")");
-  }
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
 template <>
@@ -3003,207 +704,57 @@ struct SimilarTypeTraits<TranslateErrors::Type> {
   typedef int Type;
 };
 
-template<>
-struct ParamTraits<ViewHostMsg_RunFileChooser_Params> {
-  typedef ViewHostMsg_RunFileChooser_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, static_cast<int>(p.mode));
-    WriteParam(m, p.title);
-    WriteParam(m, p.default_file_name);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    int mode;
-    if (!ReadParam(m, iter, &mode))
-      return false;
-    if (mode != param_type::Open &&
-        mode != param_type::OpenMultiple &&
-        mode != param_type::Save)
-      return false;
-    p->mode = static_cast<param_type::Mode>(mode);
-    return
-      ReadParam(m, iter, &p->title) &&
-      ReadParam(m, iter, &p->default_file_name);
-  };
-  static void Log(const param_type& p, std::wstring* l) {
-    switch (p.mode) {
-      case param_type::Open:
-        l->append(L"(Open, ");
-        break;
-      case param_type::OpenMultiple:
-        l->append(L"(OpenMultiple, ");
-        break;
-      case param_type::Save:
-        l->append(L"(Save, ");
-        break;
-      default:
-        l->append(L"(UNKNOWN, ");
-    }
-    LogParam(p.title, l);
-    l->append(L", ");
-    LogParam(p.default_file_name, l);
-  }
+template <>
+struct ParamTraits<ExtensionExtent> {
+  typedef ExtensionExtent param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
+
 template<>
-struct ParamTraits<ViewHostMsg_CreateWindow_Params> {
-  typedef ViewHostMsg_CreateWindow_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.opener_id);
-    WriteParam(m, p.user_gesture);
-    WriteParam(m, p.window_container_type);
-    WriteParam(m, p.session_storage_namespace_id);
-    WriteParam(m, p.frame_name);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return
-      ReadParam(m, iter, &p->opener_id) &&
-      ReadParam(m, iter, &p->user_gesture) &&
-      ReadParam(m, iter, &p->window_container_type) &&
-      ReadParam(m, iter, &p->session_storage_namespace_id) &&
-      ReadParam(m, iter, &p->frame_name);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.opener_id, l);
-    l->append(L", ");
-    LogParam(p.user_gesture, l);
-    l->append(L", ");
-    LogParam(p.window_container_type, l);
-    l->append(L", ");
-    LogParam(p.session_storage_namespace_id, l);
-    l->append(L", ");
-    LogParam(p.frame_name, l);
-    l->append(L")");
-  }
+struct ParamTraits<appcache::AppCacheResourceInfo> {
+  typedef appcache::AppCacheResourceInfo param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
 template <>
-struct ParamTraits<ExtensionExtent> {
-  typedef ExtensionExtent param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.patterns());
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    std::vector<URLPattern> patterns;
-    bool success =
-        ReadParam(m, iter, &patterns);
-    if (!success)
-      return false;
-
-    for (size_t i = 0; i < patterns.size(); ++i)
-      p->AddPattern(patterns[i]);
-    return true;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    LogParam(p.patterns(), l);
-  }
+struct ParamTraits<appcache::AppCacheInfo> {
+  typedef appcache::AppCacheInfo param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
 template <>
-struct ParamTraits<ViewMsg_ExtensionExtentInfo> {
-  typedef ViewMsg_ExtensionExtentInfo param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.extension_id);
-    WriteParam(m, p.web_extent);
-    WriteParam(m, p.browse_extent);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return ReadParam(m, iter, &p->extension_id) &&
-        ReadParam(m, iter, &p->web_extent) &&
-        ReadParam(m, iter, &p->browse_extent);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    LogParam(p.extension_id, l);
-  }
+struct ParamTraits<webkit_glue::WebAccessibility> {
+  typedef webkit_glue::WebAccessibility param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
+// Traits for base::PlatformFileError
 template <>
-struct ParamTraits<ViewMsg_ExtensionExtentsUpdated_Params> {
-  typedef ViewMsg_ExtensionExtentsUpdated_Params param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.extension_apps);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    return ReadParam(m, iter, &p->extension_apps);
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    LogParam(p.extension_apps, l);
-  }
+struct SimilarTypeTraits<base::PlatformFileError> {
+  typedef int Type;
 };
 
 template <>
-struct ParamTraits<WindowContainerType> {
-  typedef WindowContainerType param_type;
-  static void Write(Message* m, const param_type& p) {
-    int val = static_cast<int>(p);
-    WriteParam(m, val);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    int val = 0;
-    if (!ReadParam(m, iter, &val) ||
-        val < WINDOW_CONTAINER_TYPE_NORMAL ||
-        val >= WINDOW_CONTAINER_TYPE_MAX_VALUE)
-      return false;
-    *p = static_cast<param_type>(val);
-    return true;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    LogParam(p, l);
-  }
+struct SimilarTypeTraits<fileapi::FileSystemType> {
+  typedef int Type;
 };
 
+// Traits for AudioBuffersState structure.
 template <>
-struct ParamTraits<webkit_glue::WebAccessibility> {
-  typedef webkit_glue::WebAccessibility param_type;
-  static void Write(Message* m, const param_type& p) {
-    WriteParam(m, p.id);
-    WriteParam(m, p.name);
-    WriteParam(m, p.value);
-    WriteParam(m, static_cast<int>(p.role));
-    WriteParam(m, static_cast<int>(p.state));
-    WriteParam(m, p.location);
-    WriteParam(m, p.attributes);
-    WriteParam(m, p.children);
-  }
-  static bool Read(const Message* m, void** iter, param_type* p) {
-    bool ret = ReadParam(m, iter, &p->id);
-    ret = ret && ReadParam(m, iter, &p->name);
-    ret = ret && ReadParam(m, iter, &p->value);
-    int role = -1;
-    ret = ret && ReadParam(m, iter, &role);
-    if (role >= webkit_glue::WebAccessibility::ROLE_NONE &&
-      role < webkit_glue::WebAccessibility::NUM_ROLES) {
-      p->role = static_cast<webkit_glue::WebAccessibility::Role>(role);
-    } else {
-      p->role = webkit_glue::WebAccessibility::ROLE_NONE;
-    }
-    int state = 0;
-    ret = ret && ReadParam(m, iter, &state);
-    p->state = static_cast<webkit_glue::WebAccessibility::State>(state);
-    ret = ret && ReadParam(m, iter, &p->location);
-    ret = ret && ReadParam(m, iter, &p->attributes);
-    ret = ret && ReadParam(m, iter, &p->children);
-    return ret;
-  }
-  static void Log(const param_type& p, std::wstring* l) {
-    l->append(L"(");
-    LogParam(p.id, l);
-    l->append(L", ");
-    LogParam(p.name, l);
-    l->append(L", ");
-    LogParam(p.value, l);
-    l->append(L", ");
-    LogParam(static_cast<int>(p.role), l);
-    l->append(L", ");
-    LogParam(static_cast<int>(p.state), l);
-    l->append(L", ");
-    LogParam(p.location, l);
-    l->append(L", ");
-    LogParam(p.attributes, l);
-    l->append(L", ");
-    LogParam(p.children, l);
-    l->append(L")");
-  }
+struct ParamTraits<AudioBuffersState> {
+  typedef AudioBuffersState param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
 };
 
 }  // namespace IPC