Cleanup: Remove more unneeded forward declares in content.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/8511044

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@109549 0039d316-1c4b-4281-b951-d872f2087c98

33 files changed, 26 insertions, 113 deletions

diff --git a/content/common/child_process_host.h b/content/common/child_process_host.h
index 5570992..0c74fb93 100644
--- a/content/common/child_process_host.h
+++ b/content/common/child_process_host.h
@@ -24,7 +24,6 @@
 #include "content/common/content_export.h"
 #include "ipc/ipc_channel_proxy.h"
 
-class CommandLine;
 class FilePath;
 
 namespace IPC {
@@ -37,7 +36,6 @@ class Message;
 class CONTENT_EXPORT ChildProcessHost : public IPC::Channel::Listener,
                                         public IPC::Message::Sender {
  public:
-
   // These flags may be passed to GetChildPath in order to alter its behavior,
   // causing it to return a child path more suited to a specific task.
   enum {
diff --git a/content/common/content_counters.h b/content/common/content_counters.h
index 11ccee3..be8787b 100644
--- a/content/common/content_counters.h
+++ b/content/common/content_counters.h
@@ -13,7 +13,6 @@
 namespace base {
 class StatsCounter;
 class StatsCounterTimer;
-class StatsRate;
 }
 
 namespace content {
diff --git a/content/common/file_system/webfilewriter_impl.h b/content/common/file_system/webfilewriter_impl.h
index 792926e..f5287f4 100644
--- a/content/common/file_system/webfilewriter_impl.h
+++ b/content/common/file_system/webfilewriter_impl.h
@@ -9,8 +9,6 @@
 #include "base/memory/weak_ptr.h"
 #include "webkit/fileapi/webfilewriter_base.h"
 
-class FileSystemDispatcher;
-
 // An implementation of WebFileWriter for use in chrome renderers and workers.
 class WebFileWriterImpl : public fileapi::WebFileWriterBase,
                           public base::SupportsWeakPtr<WebFileWriterImpl> {
diff --git a/content/common/gpu/gpu_channel.h b/content/common/gpu/gpu_channel.h
index 2594f48..8903b74 100644
--- a/content/common/gpu/gpu_channel.h
+++ b/content/common/gpu/gpu_channel.h
@@ -6,10 +6,8 @@
 #define CONTENT_COMMON_GPU_GPU_CHANNEL_H_
 #pragma once
 
-#include <queue>
-#include <set>
+#include <deque>
 #include <string>
-#include <vector>
 
 #include "base/id_map.h"
 #include "base/memory/ref_counted.h"
@@ -34,10 +32,6 @@ class MessageLoopProxy;
 class WaitableEvent;
 }
 
-namespace gfx {
-class GLSurface;
-}
-
 // Encapsulates an IPC channel between the GPU process and one renderer
 // process. On the renderer side there's a corresponding GpuChannelHost.
 class GpuChannel : public IPC::Channel::Listener,
diff --git a/content/common/npobject_util.h b/content/common/npobject_util.h
index bc99397..aab6b62 100644
--- a/content/common/npobject_util.h
+++ b/content/common/npobject_util.h
@@ -17,7 +17,6 @@
 #include "content/common/npobject_stub.h"
 
 class GURL;
-class NPObjectProxy;
 class NPChannelBase;
 
 struct _NPVariant;
diff --git a/content/common/webblobregistry_impl.h b/content/common/webblobregistry_impl.h
index 6b05683..e7b64ae 100644
--- a/content/common/webblobregistry_impl.h
+++ b/content/common/webblobregistry_impl.h
@@ -1,20 +1,15 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_COMMON_WEBBLOBREGISTRY_IMPL_H_
-#define CHROME_COMMON_WEBBLOBREGISTRY_IMPL_H_
+#ifndef CONTENT_COMMON_WEBBLOBREGISTRY_IMPL_H_
+#define CONTENT_COMMON_WEBBLOBREGISTRY_IMPL_H_
 #pragma once
 
-//#include "ipc/ipc_message.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebBlobRegistry.h"
 
 class ChildThread;
 
-namespace base {
-class SharedMemory;
-}
-
 namespace WebKit {
 class WebBlobData;
 class WebURL;
@@ -36,4 +31,4 @@ class WebBlobRegistryImpl : public WebKit::WebBlobRegistry {
   ChildThread* child_thread_;
 };
 
-#endif  // CHROME_COMMON_WEBBLOBREGISTRY_IMPL_H_
+#endif  // CONTENT_COMMON_WEBBLOBREGISTRY_IMPL_H_
diff --git a/content/gpu/gpu_child_thread.h b/content/gpu/gpu_child_thread.h
index 5409963..3081239 100644
--- a/content/gpu/gpu_child_thread.h
+++ b/content/gpu/gpu_child_thread.h
@@ -22,10 +22,6 @@
 #include "content/public/common/gpu_info.h"
 #include "ui/gfx/native_widget_types.h"
 
-namespace IPC {
-struct ChannelHandle;
-}
-
 namespace sandbox {
 class TargetServices;
 }
diff --git a/content/public/renderer/render_view_observer.h b/content/public/renderer/render_view_observer.h
index a3d05cc..9e81c2d 100644
--- a/content/public/renderer/render_view_observer.h
+++ b/content/public/renderer/render_view_observer.h
@@ -18,7 +18,6 @@ class WebFormElement;
 class WebMediaPlayerClient;
 class WebMouseEvent;
 class WebNode;
-class WebString;
 class WebTouchEvent;
 class WebURL;
 struct WebURLError;
diff --git a/content/renderer/devtools_agent.h b/content/renderer/devtools_agent.h
index 85e8f48..e8c4bbe 100644
--- a/content/renderer/devtools_agent.h
+++ b/content/renderer/devtools_agent.h
@@ -13,7 +13,6 @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDevToolsAgentClient.h"
 
 class RenderViewImpl;
-struct DevToolsMessageData;
 
 namespace WebKit {
 class WebDevToolsAgent;
diff --git a/content/renderer/devtools_client.h b/content/renderer/devtools_client.h
index e88851e..0e1f1508 100644
--- a/content/renderer/devtools_client.h
+++ b/content/renderer/devtools_client.h
@@ -13,7 +13,6 @@
 #include "content/public/renderer/render_view_observer.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDevToolsFrontendClient.h"
 
-class MessageLoop;
 class RenderViewImpl;
 
 namespace WebKit {
@@ -21,8 +20,6 @@ class WebDevToolsFrontend;
 class WebString;
 }
 
-struct DevToolsMessageData;
-
 // Developer tools UI end of communication channel between the render process of
 // the page being inspected and tools UI renderer process. All messages will
 // go through browser process. On the side of the inspected page there's
diff --git a/content/renderer/geolocation_dispatcher.h b/content/renderer/geolocation_dispatcher.h
index 10e06de9..2c50db6 100644
--- a/content/renderer/geolocation_dispatcher.h
+++ b/content/renderer/geolocation_dispatcher.h
@@ -19,7 +19,6 @@ class WebGeolocationController;
 class WebGeolocationPermissionRequest;
 class WebGeolocationPermissionRequestManager;
 class WebGeolocationPosition;
-class WebSecurityOrigin;
 }
 
 // GeolocationDispatcher is a delegate for Geolocation messages used by
diff --git a/content/renderer/gpu/command_buffer_proxy.h b/content/renderer/gpu/command_buffer_proxy.h
index a65f882..e86988a 100644
--- a/content/renderer/gpu/command_buffer_proxy.h
+++ b/content/renderer/gpu/command_buffer_proxy.h
@@ -21,17 +21,12 @@
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_message.h"
 
+class GpuChannelHost;
+
 namespace base {
 class SharedMemory;
 }
 
-namespace gfx {
-class Size;
-}
-
-class GpuChannelHost;
-class PluginChannelHost;
-
 // Client side proxy that forwards messages synchronously to a
 // CommandBufferStub.
 class CommandBufferProxy : public gpu::CommandBuffer,
@@ -97,7 +92,6 @@ class CommandBufferProxy : public gpu::CommandBuffer,
       media::VideoDecodeAccelerator::Client* client);
 
  private:
-
   // Send an IPC message over the GPU channel. This is private to fully
   // encapsulate the channel; all callers of this function must explicitly
   // verify that the context has not been lost.
diff --git a/content/renderer/gpu/gpu_channel_host.h b/content/renderer/gpu/gpu_channel_host.h
index f4a8e19..0319dac 100644
--- a/content/renderer/gpu/gpu_channel_host.h
+++ b/content/renderer/gpu/gpu_channel_host.h
@@ -26,7 +26,6 @@
 #include "ui/gfx/size.h"
 
 class CommandBufferProxy;
-class GpuSurfaceProxy;
 class GURL;
 class TransportTextureService;
 
@@ -150,7 +149,7 @@ class GpuChannelHost : public IPC::Message::Sender,
   // to the correct message loop.
   class MessageFilter : public IPC::ChannelProxy::MessageFilter {
    public:
-    MessageFilter(GpuChannelHost* parent);
+    explicit MessageFilter(GpuChannelHost* parent);
     virtual ~MessageFilter();
 
     void AddRoute(int route_id,
diff --git a/content/renderer/gpu/webgraphicscontext3d_command_buffer_impl.h b/content/renderer/gpu/webgraphicscontext3d_command_buffer_impl.h
index 01bf479..adc8f69 100644
--- a/content/renderer/gpu/webgraphicscontext3d_command_buffer_impl.h
+++ b/content/renderer/gpu/webgraphicscontext3d_command_buffer_impl.h
@@ -8,6 +8,7 @@
 
 #if defined(ENABLE_GPU)
 
+#include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ -25,7 +26,6 @@
 #endif
 
 class GpuChannelHost;
-class CommandBufferProxy;
 
 namespace gpu {
 namespace gles2 {
@@ -50,7 +50,6 @@ using WebKit::WGC3Dsizeiptr;
 class WebGraphicsContext3DCommandBufferImpl
     : public WebKit::WebGraphicsContext3D {
  public:
-
   WebGraphicsContext3DCommandBufferImpl();
   virtual ~WebGraphicsContext3DCommandBufferImpl();
 
diff --git a/content/renderer/indexed_db_dispatcher.h b/content/renderer/indexed_db_dispatcher.h
index d779454..43c8443 100644
--- a/content/renderer/indexed_db_dispatcher.h
+++ b/content/renderer/indexed_db_dispatcher.h
@@ -7,6 +7,7 @@
 #pragma once
 
 #include <map>
+#include <vector>
 
 #include "base/id_map.h"
 #include "base/nullable_string16.h"
@@ -21,7 +22,6 @@ class IndexedDBKey;
 class RendererWebIDBCursorImpl;
 
 namespace WebKit {
-class WebDOMStringList;
 class WebFrame;
 class WebIDBKeyRange;
 class WebIDBTransaction;
diff --git a/content/renderer/media/audio_input_message_filter.h b/content/renderer/media/audio_input_message_filter.h
index 74ba3c0..89fdd54 100644
--- a/content/renderer/media/audio_input_message_filter.h
+++ b/content/renderer/media/audio_input_message_filter.h
@@ -20,8 +20,6 @@
 #include "ipc/ipc_channel_proxy.h"
 #include "media/audio/audio_buffers_state.h"
 
-class MessageLoop;
-
 class AudioInputMessageFilter : public IPC::ChannelProxy::MessageFilter {
  public:
   class Delegate {
diff --git a/content/renderer/media/audio_message_filter.h b/content/renderer/media/audio_message_filter.h
index 0f98cfa..b37e45e 100644
--- a/content/renderer/media/audio_message_filter.h
+++ b/content/renderer/media/audio_message_filter.h
@@ -20,8 +20,6 @@
 #include "ipc/ipc_channel_proxy.h"
 #include "media/audio/audio_buffers_state.h"
 
-class MessageLoop;
-
 namespace base {
 class Time;
 }
diff --git a/content/renderer/p2p/p2p_transport_impl.h b/content/renderer/p2p/p2p_transport_impl.h
index b807e44..a22a991 100644
--- a/content/renderer/p2p/p2p_transport_impl.h
+++ b/content/renderer/p2p/p2p_transport_impl.h
@@ -35,7 +35,6 @@ class PacketSocketFactory;
 
 namespace content {
 
-class P2PPortAllocator;
 class P2PSocketDispatcher;
 
 class CONTENT_EXPORT P2PTransportImpl
diff --git a/content/renderer/render_thread_impl.h b/content/renderer/render_thread_impl.h
index 47181d2..32e92df 100644
--- a/content/renderer/render_thread_impl.h
+++ b/content/renderer/render_thread_impl.h
@@ -28,26 +28,15 @@ class AudioMessageFilter;
 class CompositorThread;
 class DBMessageFilter;
 class DevToolsAgentFilter;
-class FilePath;
+struct DOMStorageMsg_Event_Params;
 class GpuChannelHost;
 class IndexedDBDispatcher;
 class RendererHistogram;
-class RendererHistogramSnapshots;
-class RendererNetPredictor;
 class RendererWebKitPlatformSupportImpl;
 class SkBitmap;
 class VideoCaptureImplManager;
-class WebDatabaseObserverImpl;
-
-struct RendererPreferences;
-struct DOMStorageMsg_Event_Params;
-struct GPUInfo;
 struct ViewMsg_New_Params;
-struct WebPreferences;
-
-namespace IPC {
-struct ChannelHandle;
-}
+class WebDatabaseObserverImpl;
 
 namespace WebKit {
 class WebStorageEventDispatcher;
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index 3f23318..f8d742a 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -54,7 +54,6 @@
 #pragma warning(disable: 4250)
 #endif
 
-class AudioMessageFilter;
 class DeviceOrientationDispatcher;
 class DevToolsAgent;
 class ExternalPopupMenu;
@@ -66,31 +65,24 @@ class LoadProgressTracker;
 class MediaStreamImpl;
 class NotificationProvider;
 class PepperDeviceTest;
-class PrintWebViewHelper;
+struct PP_NetAddress_Private;
 class RenderWidgetFullscreenPepper;
 class RendererAccessibility;
 class SkBitmap;
 class SpeechInputDispatcher;
-class WebPluginDelegateProxy;
-class WebUIBindings;
-struct ContextMenuMediaParams;
-struct PP_NetAddress_Private;
 struct ViewHostMsg_RunFileChooser_Params;
-struct ViewMsg_SwapOut_Params;
 struct ViewMsg_Navigate_Params;
 struct ViewMsg_StopFinding_Params;
+struct ViewMsg_SwapOut_Params;
 struct WebDropData;
-
-namespace base {
-class WaitableEvent;
-}  // namespace base
+class WebPluginDelegateProxy;
+class WebUIBindings;
 
 namespace content {
 class RenderViewTest;
 class NavigationState;
 class P2PSocketDispatcher;
 class RenderViewObserver;
-class RenderViewVisitor;
 }  // namespace content
 
 namespace gfx {
@@ -102,7 +94,6 @@ namespace webkit {
 
 namespace ppapi {
 class PluginInstance;
-class PluginModule;
 }  // namespace ppapi
 
 }  // namespace webkit
@@ -110,9 +101,6 @@ class PluginModule;
 namespace webkit_glue {
 struct CustomContextMenuContext;
 class ImageResourceFetcher;
-struct FileUploadData;
-struct FormData;
-struct PasswordFormFillData;
 class ResourceFetcher;
 }
 
@@ -120,14 +108,10 @@ namespace WebKit {
 class WebApplicationCacheHost;
 class WebApplicationCacheHostClient;
 class WebDataSource;
-class WebDocument;
 class WebDragData;
 class WebGeolocationClient;
-class WebGeolocationServiceInterface;
 class WebIconURL;
 class WebImage;
-class WebInputElement;
-class WebKeyboardEvent;
 class WebMediaPlayer;
 class WebMediaPlayerClient;
 class WebMouseEvent;
diff --git a/content/renderer/render_widget.h b/content/renderer/render_widget.h
index 4c0b252..93246a1 100644
--- a/content/renderer/render_widget.h
+++ b/content/renderer/render_widget.h
@@ -34,11 +34,9 @@ class SyncMessage;
 }
 
 namespace WebKit {
-class WebInputEvent;
 class WebMouseEvent;
 class WebTouchEvent;
 class WebWidget;
-struct WebPopupMenuInfo;
 }
 
 namespace gfx {
diff --git a/content/renderer/renderer_webcookiejar_impl.h b/content/renderer/renderer_webcookiejar_impl.h
index e390ea6..eb0f4f1 100644
--- a/content/renderer/renderer_webcookiejar_impl.h
+++ b/content/renderer/renderer_webcookiejar_impl.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -10,10 +10,6 @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCookieJar.h"
 
-namespace IPC {
-class SyncMessage;
-}
-
 class RenderViewImpl;
 
 class RendererWebCookieJarImpl : public WebKit::WebCookieJar {
diff --git a/content/renderer/renderer_webidbdatabase_impl.h b/content/renderer/renderer_webidbdatabase_impl.h
index 524f05d..95d47a0 100644
--- a/content/renderer/renderer_webidbdatabase_impl.h
+++ b/content/renderer/renderer_webidbdatabase_impl.h
@@ -10,7 +10,6 @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBDatabase.h"
 
 namespace WebKit {
-class WebFrame;
 class WebIDBCallbacks;
 class WebIDBDatabaseCallbacks;
 class WebString;
diff --git a/content/renderer/renderer_webidbfactory_impl.h b/content/renderer/renderer_webidbfactory_impl.h
index d2dc174..a26d1ba 100644
--- a/content/renderer/renderer_webidbfactory_impl.h
+++ b/content/renderer/renderer_webidbfactory_impl.h
@@ -11,9 +11,7 @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebVector.h"
 
 namespace WebKit {
-class WebDOMStringList;
 class WebFrame;
-class WebIDBDatabase;
 class WebSecurityOrigin;
 class WebString;
 }
diff --git a/content/renderer/renderer_webidbobjectstore_impl.h b/content/renderer/renderer_webidbobjectstore_impl.h
index 6467960..c95e5bf 100644
--- a/content/renderer/renderer_webidbobjectstore_impl.h
+++ b/content/renderer/renderer_webidbobjectstore_impl.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -11,7 +11,6 @@
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBObjectStore.h"
 
 namespace WebKit {
-class WebFrame;
 class WebIDBCallbacks;
 class WebIDBIndex;
 class WebIDBKey;
@@ -65,6 +64,7 @@ class RendererWebIDBObjectStoreImpl : public WebKit::WebIDBObjectStore {
                   WebKit::WebIDBCallbacks* callbacks,
                   const WebKit::WebIDBTransaction& transaction,
                   WebKit::WebExceptionCode& ec);
+
  private:
   int32 idb_object_store_id_;
 };
diff --git a/content/renderer/speech_input_dispatcher.h b/content/renderer/speech_input_dispatcher.h
index c95d99e..5d9d14c 100644
--- a/content/renderer/speech_input_dispatcher.h
+++ b/content/renderer/speech_input_dispatcher.h
@@ -10,7 +10,6 @@
 #include "content/public/renderer/render_view_observer.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSpeechInputController.h"
 
-class GURL;
 class RenderViewImpl;
 
 namespace WebKit {
diff --git a/content/renderer/webplugin_delegate_proxy.h b/content/renderer/webplugin_delegate_proxy.h
index 02a87e6..9e9914b 100644
--- a/content/renderer/webplugin_delegate_proxy.h
+++ b/content/renderer/webplugin_delegate_proxy.h
@@ -26,17 +26,14 @@
 #include "base/memory/linked_ptr.h"
 #endif
 
+struct NPObject;
 class NPObjectStub;
 class PluginChannelHost;
+struct PluginHostMsg_URLRequest_Params;
 class RenderViewImpl;
 class SkBitmap;
 
-struct NPObject;
-struct NPVariant_Param;
-struct PluginHostMsg_URLRequest_Params;
-
 namespace base {
-class SharedMemory;
 class WaitableEvent;
 }
 
diff --git a/content/test/render_view_fake_resources_test.h b/content/test/render_view_fake_resources_test.h
index 272170c..e9d4e6a 100644
--- a/content/test/render_view_fake_resources_test.h
+++ b/content/test/render_view_fake_resources_test.h
@@ -53,7 +53,6 @@
 #include "testing/gtest/include/gtest/gtest.h"
 
 class MockRenderProcess;
-class RendererMainPlatformDelegate;
 class RenderThreadImpl;
 class RenderView;
 struct ResourceHostMsg_Request;
diff --git a/content/test/render_view_test.h b/content/test/render_view_test.h
index 6463602..6710389 100644
--- a/content/test/render_view_test.h
+++ b/content/test/render_view_test.h
@@ -22,7 +22,6 @@
 
 class MockRenderProcess;
 class RendererMainPlatformDelegate;
-struct ViewMsg_Navigate_Params;
 
 namespace WebKit {
 class WebWidget;
diff --git a/content/test/render_widget_browsertest.h b/content/test/render_widget_browsertest.h
index f0d1c53..cb06a28 100644
--- a/content/test/render_widget_browsertest.h
+++ b/content/test/render_widget_browsertest.h
@@ -10,13 +10,12 @@
 #include "base/file_path.h"
 #include "content/test/render_view_test.h"
 
+class SkBitmap;
+
 namespace gfx {
 class Size;
 }
 
-class SkBitmap;
-class TransportDIB;
-
 class RenderWidgetTest : public content::RenderViewTest {
  public:
   RenderWidgetTest();
diff --git a/content/test/webrtc_audio_device_test.h b/content/test/webrtc_audio_device_test.h
index 0c3779c..14df695 100644
--- a/content/test/webrtc_audio_device_test.h
+++ b/content/test/webrtc_audio_device_test.h
@@ -8,6 +8,8 @@
 
 #include <string>
 
+#include <string>
+
 #include "base/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ -18,7 +20,6 @@
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/webrtc/common_types.h"
 
-class AudioInputRendererHost;
 class AudioRendererHost;
 class RenderThreadImpl;
 class WebRTCMockRenderProcess;
diff --git a/content/utility/utility_thread_impl.h b/content/utility/utility_thread_impl.h
index ab468c4..6facec1 100644
--- a/content/utility/utility_thread_impl.h
+++ b/content/utility/utility_thread_impl.h
@@ -23,10 +23,6 @@ namespace content {
 class SerializedScriptValue;
 }
 
-namespace webkit {
-struct WebPluginInfo;
-}
-
 namespace webkit_glue {
 class WebKitPlatformSupportImpl;
 }
diff --git a/content/worker/worker_thread.h b/content/worker/worker_thread.h
index a552c9a..89d8f85 100644
--- a/content/worker/worker_thread.h
+++ b/content/worker/worker_thread.h
@@ -10,13 +10,12 @@
 
 #include "content/common/child_thread.h"
 
-class GURL;
 class AppCacheDispatcher;
 class DBMessageFilter;
 class WebDatabaseObserverImpl;
 class WebSharedWorkerStub;
-class WorkerWebKitPlatformSupportImpl;
 struct WorkerProcessMsg_CreateWorker_Params;
+class WorkerWebKitPlatformSupportImpl;
 
 class WorkerThread : public ChildThread {
  public: