Move SafeManifestParser to //extensions

This moves SafeManifestParser to extensions_browser.
Also creates a new ExtensionUtility IPC message class in which
to define extensions utility process messages. The relevant
manifest parsing messages have been moved into this class.

BUG=398671

Review URL: https://codereview.chromium.org/464613002

Cr-Commit-Position: refs/heads/master@{#296508}

12 files changed, 80 insertions, 55 deletions

diff --git a/chrome/browser/extensions/updater/extension_downloader.cc b/chrome/browser/extensions/updater/extension_downloader.cc
index 9813193..4918dfc 100644
--- a/chrome/browser/extensions/updater/extension_downloader.cc
+++ b/chrome/browser/extensions/updater/extension_downloader.cc
@@ -22,14 +22,13 @@
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/updater/extension_cache.h"
 #include "chrome/browser/extensions/updater/request_queue_impl.h"
-#include "chrome/browser/extensions/updater/safe_manifest_parser.h"
-#include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/extensions/manifest_url_handler.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
+#include "extensions/browser/updater/safe_manifest_parser.h"
 #include "extensions/common/extension_urls.h"
 #include "google_apis/gaia/identity_provider.h"
 #include "net/base/backoff_entry.h"
diff --git a/chrome/chrome_browser_extensions.gypi b/chrome/chrome_browser_extensions.gypi
index 96fa22c..850f940 100644
--- a/chrome/chrome_browser_extensions.gypi
+++ b/chrome/chrome_browser_extensions.gypi
@@ -788,8 +788,6 @@
       'browser/extensions/updater/extension_updater.h',
       'browser/extensions/updater/request_queue.h',
       'browser/extensions/updater/request_queue_impl.h',
-      'browser/extensions/updater/safe_manifest_parser.cc',
-      'browser/extensions/updater/safe_manifest_parser.h',
       'browser/extensions/user_script_listener.cc',
       'browser/extensions/user_script_listener.h',
       'browser/extensions/user_script_loader.cc',
diff --git a/chrome/common/extensions/chrome_utility_extensions_messages.h b/chrome/common/extensions/chrome_utility_extensions_messages.h
index 7c27377..1d808bc 100644
--- a/chrome/common/extensions/chrome_utility_extensions_messages.h
+++ b/chrome/common/extensions/chrome_utility_extensions_messages.h
@@ -13,7 +13,6 @@
 #include "chrome/common/media_galleries/itunes_library.h"
 #include "chrome/common/media_galleries/metadata_types.h"
 #include "chrome/common/media_galleries/picasa_types.h"
-#include "extensions/common/update_manifest.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/ipc_platform_file.h"
 
@@ -23,19 +22,6 @@
 
 #define IPC_MESSAGE_START ChromeUtilityExtensionsMsgStart
 
-IPC_STRUCT_TRAITS_BEGIN(UpdateManifest::Result)
-  IPC_STRUCT_TRAITS_MEMBER(extension_id)
-  IPC_STRUCT_TRAITS_MEMBER(version)
-  IPC_STRUCT_TRAITS_MEMBER(browser_min_version)
-  IPC_STRUCT_TRAITS_MEMBER(package_hash)
-  IPC_STRUCT_TRAITS_MEMBER(crx_url)
-IPC_STRUCT_TRAITS_END()
-
-IPC_STRUCT_TRAITS_BEGIN(UpdateManifest::Results)
-  IPC_STRUCT_TRAITS_MEMBER(list)
-  IPC_STRUCT_TRAITS_MEMBER(daystart_elapsed_seconds)
-IPC_STRUCT_TRAITS_END()
-
 #if defined(OS_MACOSX)
 IPC_STRUCT_TRAITS_BEGIN(iphoto::parser::Photo)
   IPC_STRUCT_TRAITS_MEMBER(id)
@@ -103,10 +89,6 @@ IPC_MESSAGE_CONTROL2(ChromeUtilityMsg_UnzipToDir,
                      base::FilePath /* zip_file */,
                      base::FilePath /* dir */)
 
-// Tell the utility process to parse the given xml document.
-IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_ParseUpdateManifest,
-                     std::string /* xml document contents */)
-
 // Tell the utility process to decode the given image data, which is base64
 // encoded.
 IPC_MESSAGE_CONTROL1(ChromeUtilityMsg_DecodeImageBase64,
@@ -213,16 +195,6 @@ IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_UnzipToDir_Succeeded,
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_UnzipToDir_Failed,
                      std::string /* error */)
 
-// Reply when the utility process has succeeded in parsing an update manifest
-// xml document.
-IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_ParseUpdateManifest_Succeeded,
-                     UpdateManifest::Results /* updates */)
-
-// Reply when an error occurred parsing the update manifest. |error_message|
-// is a description of what went wrong suitable for logging.
-IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_ParseUpdateManifest_Failed,
-                     std::string /* error_message, if any */)
-
 // Reply when the utility process successfully parsed a JSON string.
 //
 // WARNING: The result can be of any Value subclass type, but we can't easily
diff --git a/chrome/utility/extensions/extensions_handler.cc b/chrome/utility/extensions/extensions_handler.cc
index e8ef09f..6b74b14 100644
--- a/chrome/utility/extensions/extensions_handler.cc
+++ b/chrome/utility/extensions/extensions_handler.cc
@@ -17,6 +17,7 @@
 #include "content/public/utility/utility_thread.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_l10n_util.h"
+#include "extensions/common/extension_utility_messages.h"
 #include "extensions/common/manifest.h"
 #include "extensions/common/update_manifest.h"
 #include "media/base/media.h"
@@ -58,9 +59,11 @@ const char kExtensionHandlerUnzipError[] =
 
 }  // namespace
 
-ExtensionsHandler::ExtensionsHandler() {}
+ExtensionsHandler::ExtensionsHandler() {
+}
 
-ExtensionsHandler::~ExtensionsHandler() {}
+ExtensionsHandler::~ExtensionsHandler() {
+}
 
 // static
 void ExtensionsHandler::PreSandboxStartup() {
@@ -86,8 +89,6 @@ bool ExtensionsHandler::OnMessageReceived(const IPC::Message& message) {
   IPC_BEGIN_MESSAGE_MAP(ExtensionsHandler, message)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_UnpackExtension, OnUnpackExtension)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_UnzipToDir, OnUnzipToDir)
-    IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseUpdateManifest,
-                        OnParseUpdateManifest)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_DecodeImageBase64, OnDecodeImageBase64)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_ParseJSON, OnParseJSON)
     IPC_MESSAGE_HANDLER(ChromeUtilityMsg_CheckMediaFile, OnCheckMediaFile)
@@ -115,6 +116,9 @@ bool ExtensionsHandler::OnMessageReceived(const IPC::Message& message) {
                         OnGetWiFiCredentials)
 #endif  // defined(OS_WIN)
 
+    IPC_MESSAGE_HANDLER(ExtensionUtilityMsg_ParseUpdateManifest,
+                        OnParseUpdateManifest)
+
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ -159,10 +163,10 @@ void ExtensionsHandler::OnUnzipToDir(const base::FilePath& zip_path,
 void ExtensionsHandler::OnParseUpdateManifest(const std::string& xml) {
   UpdateManifest manifest;
   if (!manifest.Parse(xml)) {
-    Send(new ChromeUtilityHostMsg_ParseUpdateManifest_Failed(
+    Send(new ExtensionUtilityHostMsg_ParseUpdateManifest_Failed(
         manifest.errors()));
   } else {
-    Send(new ChromeUtilityHostMsg_ParseUpdateManifest_Succeeded(
+    Send(new ExtensionUtilityHostMsg_ParseUpdateManifest_Succeeded(
         manifest.results()));
   }
   ReleaseProcessIfNeeded();
@@ -263,9 +267,7 @@ void ExtensionsHandler::OnParsePicasaPMPDatabase(
   picasa::PicasaAlbumTableReader reader(files.Pass());
   bool parse_success = reader.Init();
   Send(new ChromeUtilityHostMsg_ParsePicasaPMPDatabase_Finished(
-      parse_success,
-      reader.albums(),
-      reader.folders()));
+      parse_success, reader.albums(), reader.folders()));
   ReleaseProcessIfNeeded();
 }
 
diff --git a/chrome/utility/extensions/extensions_handler.h b/chrome/utility/extensions/extensions_handler.h
index 7789857..d53c359 100644
--- a/chrome/utility/extensions/extensions_handler.h
+++ b/chrome/utility/extensions/extensions_handler.h
@@ -22,7 +22,7 @@ class MediaMetadataParser;
 
 namespace extensions {
 
-// Dispatches IPCs for printing.
+// Dispatches IPCs for Chrome extensions utility messages.
 class ExtensionsHandler : public UtilityMessageHandler {
  public:
   ExtensionsHandler();
diff --git a/extensions/browser/BUILD.gn b/extensions/browser/BUILD.gn
index e3f01ed..e71d5f5 100644
--- a/extensions/browser/BUILD.gn
+++ b/extensions/browser/BUILD.gn
@@ -346,7 +346,7 @@ source_set("browser") {
       "guest_view/app_view/app_view_guest_delegate.cc",
       "guest_view/app_view/app_view_guest_delegate.h",
       "guest_view/extension_options/extension_options_constants.cc",
-      "guest_view/extension_options/extension_options_constants.h",    
+      "guest_view/extension_options/extension_options_constants.h",
       "guest_view/extension_options/extension_options_guest.cc",
       "guest_view/extension_options/extension_options_guest.h",
       "guest_view/extension_options/extension_options_guest_delegate.cc",
@@ -418,6 +418,8 @@ source_set("browser") {
       "update_observer.h",
       "updater/manifest_fetch_data.cc",
       "updater/manifest_fetch_data.h",
+      "updater/safe_manifest_parser.cc",
+      "updater/safe_manifest_parser.h",
       "url_request_util.cc",
       "url_request_util.h",
       "value_store/leveldb_value_store.cc",
diff --git a/chrome/browser/extensions/updater/safe_manifest_parser.cc b/extensions/browser/updater/safe_manifest_parser.cc
index a15a828..2ab9a05 100644
--- a/chrome/browser/extensions/updater/safe_manifest_parser.cc
+++ b/extensions/browser/updater/safe_manifest_parser.cc
@@ -2,16 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/extensions/updater/safe_manifest_parser.h"
+#include "extensions/browser/updater/safe_manifest_parser.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/logging.h"
-#include "chrome/common/extensions/chrome_utility_extensions_messages.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/utility_process_host.h"
 #include "content/public/common/content_switches.h"
+#include "extensions/common/extension_utility_messages.h"
 #include "ipc/ipc_message_macros.h"
 
 using content::BrowserThread;
@@ -21,16 +21,15 @@ namespace extensions {
 SafeManifestParser::SafeManifestParser(const std::string& xml,
                                        ManifestFetchData* fetch_data,
                                        const UpdateCallback& update_callback)
-    : xml_(xml),
-      fetch_data_(fetch_data),
-      update_callback_(update_callback) {
+    : xml_(xml), fetch_data_(fetch_data), update_callback_(update_callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 }
 
 void SafeManifestParser::Start() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   if (!BrowserThread::PostTask(
-          BrowserThread::IO, FROM_HERE,
+          BrowserThread::IO,
+          FROM_HERE,
           base::Bind(&SafeManifestParser::ParseInSandbox, this))) {
     NOTREACHED();
   }
@@ -47,15 +46,15 @@ void SafeManifestParser::ParseInSandbox() {
   content::UtilityProcessHost* host = content::UtilityProcessHost::Create(
       this,
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI).get());
-  host->Send(new ChromeUtilityMsg_ParseUpdateManifest(xml_));
+  host->Send(new ExtensionUtilityMsg_ParseUpdateManifest(xml_));
 }
 
 bool SafeManifestParser::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(SafeManifestParser, message)
-    IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ParseUpdateManifest_Succeeded,
+    IPC_MESSAGE_HANDLER(ExtensionUtilityHostMsg_ParseUpdateManifest_Succeeded,
                         OnParseUpdateManifestSucceeded)
-    IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_ParseUpdateManifest_Failed,
+    IPC_MESSAGE_HANDLER(ExtensionUtilityHostMsg_ParseUpdateManifest_Failed,
                         OnParseUpdateManifestFailed)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
diff --git a/chrome/browser/extensions/updater/safe_manifest_parser.h b/extensions/browser/updater/safe_manifest_parser.h
index 3c83164..278cd97 100644
--- a/chrome/browser/extensions/updater/safe_manifest_parser.h
+++ b/extensions/browser/updater/safe_manifest_parser.h
@@ -2,8 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_EXTENSIONS_UPDATER_SAFE_MANIFEST_PARSER_H_
-#define CHROME_BROWSER_EXTENSIONS_UPDATER_SAFE_MANIFEST_PARSER_H_
+#ifndef EXTENSIONS_BROWSER_UPDATER_SAFE_MANIFEST_PARSER_H_
+#define EXTENSIONS_BROWSER_UPDATER_SAFE_MANIFEST_PARSER_H_
+
 #include <string>
 
 #include "base/basictypes.h"
@@ -54,4 +55,4 @@ class SafeManifestParser : public content::UtilityProcessHostClient {
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_UPDATER_SAFE_MANIFEST_PARSER_H_
+#endif  // EXTENSIONS_BROWSER_UPDATER_SAFE_MANIFEST_PARSER_H_
diff --git a/extensions/common/extension_message_generator.h b/extensions/common/extension_message_generator.h
index 0735924..fac22c8 100644
--- a/extensions/common/extension_message_generator.h
+++ b/extensions/common/extension_message_generator.h
@@ -5,3 +5,4 @@
 // Multiply-included file, hence no include guard.
 
 #include "extensions/common/extension_messages.h"
+#include "extensions/common/extension_utility_messages.h"
diff --git a/extensions/common/extension_utility_messages.h b/extensions/common/extension_utility_messages.h
new file mode 100644
index 0000000..77dfe13
--- /dev/null
+++ b/extensions/common/extension_utility_messages.h
@@ -0,0 +1,47 @@
+// Copyright 2014 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.
+
+// Multiply-included message file, so no include guard.
+
+#include <string>
+
+#include "extensions/common/update_manifest.h"
+#include "ipc/ipc_message_macros.h"
+
+#define IPC_MESSAGE_START ExtensionUtilityMsgStart
+
+IPC_STRUCT_TRAITS_BEGIN(UpdateManifest::Result)
+  IPC_STRUCT_TRAITS_MEMBER(extension_id)
+  IPC_STRUCT_TRAITS_MEMBER(version)
+  IPC_STRUCT_TRAITS_MEMBER(browser_min_version)
+  IPC_STRUCT_TRAITS_MEMBER(package_hash)
+  IPC_STRUCT_TRAITS_MEMBER(crx_url)
+IPC_STRUCT_TRAITS_END()
+
+IPC_STRUCT_TRAITS_BEGIN(UpdateManifest::Results)
+  IPC_STRUCT_TRAITS_MEMBER(list)
+  IPC_STRUCT_TRAITS_MEMBER(daystart_elapsed_seconds)
+IPC_STRUCT_TRAITS_END()
+
+//------------------------------------------------------------------------------
+// Utility process messages:
+// These are messages from the browser to the utility process.
+
+// Tell the utility process to parse the given xml document.
+IPC_MESSAGE_CONTROL1(ExtensionUtilityMsg_ParseUpdateManifest,
+                     std::string /* xml document contents */)
+
+//------------------------------------------------------------------------------
+// Utility process host messages:
+// These are messages from the utility process to the browser.
+
+// Reply when the utility process has succeeded in parsing an update manifest
+// xml document.
+IPC_MESSAGE_CONTROL1(ExtensionUtilityHostMsg_ParseUpdateManifest_Succeeded,
+                     UpdateManifest::Results /* updates */)
+
+// Reply when an error occurred parsing the update manifest. |error_message|
+// is a description of what went wrong suitable for logging.
+IPC_MESSAGE_CONTROL1(ExtensionUtilityHostMsg_ParseUpdateManifest_Failed,
+                     std::string /* error_message, if any */)
diff --git a/extensions/extensions.gyp b/extensions/extensions.gyp
index 6178f61..6b77c61 100644
--- a/extensions/extensions.gyp
+++ b/extensions/extensions.gyp
@@ -87,6 +87,7 @@
         'common/extension_set.h',
         'common/extension_urls.cc',
         'common/extension_urls.h',
+        'common/extension_utility_messages.h',
         'common/extensions_client.cc',
         'common/extensions_client.h',
         'common/feature_switch.cc',
@@ -690,6 +691,8 @@
         'browser/update_observer.h',
         'browser/updater/manifest_fetch_data.cc',
         'browser/updater/manifest_fetch_data.h',
+        'browser/updater/safe_manifest_parser.cc',
+        'browser/updater/safe_manifest_parser.h',
         'browser/url_request_util.cc',
         'browser/url_request_util.h',
         'browser/value_store/leveldb_value_store.cc',
diff --git a/ipc/ipc_message_start.h b/ipc/ipc_message_start.h
index 773d4e1..463f0d5 100644
--- a/ipc/ipc_message_start.h
+++ b/ipc/ipc_message_start.h
@@ -110,6 +110,7 @@ enum IPCMessageStart {
   PDFMsgStart,
   WebCacheMsgStart,
   ManifestManagerMsgStart,
+  ExtensionUtilityMsgStart,
   LastIPCMsgStart  // Must come last.
 };