Add code to load Hangout Services as a component extension.

chrome/browser/extensions/component_loader.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/extensions/component_loader.h"
 
 #include <map>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 267 matching lines @@
         command_line->GetSwitchValuePath(switches::kFileManagerExtensionPath));
     Add(IDR_FILEMANAGER_MANIFEST, filemgr_extension_path);
     return;
   }
 #endif  // NDEBUG
   Add(IDR_FILEMANAGER_MANIFEST,
       base::FilePath(FILE_PATH_LITERAL("file_manager")));
 #endif  // defined(FILE_MANAGER_EXTENSION)
 }
 
+void ComponentLoader::AddHangoutServicesExtension() {
+  Add(IDR_HANGOUT_SERVICES_MANIFEST,
+      base::FilePath(FILE_PATH_LITERAL("hangout_services")));
+}
+
 void ComponentLoader::AddImageLoaderExtension() {
 #if defined(IMAGE_LOADER_EXTENSION)
 #ifndef NDEBUG
   const CommandLine* command_line = CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(switches::kImageLoaderExtensionPath)) {
     base::FilePath image_loader_extension_path(
         command_line->GetSwitchValuePath(switches::kImageLoaderExtensionPath));
     Add(IDR_IMAGE_LOADER_MANIFEST, image_loader_extension_path);
     return;
   }
@@ skipping 121 matching lines @@
   }
 
   if (!skip_session_components) {
     // Apps Debugger
     if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAppsDevtool) &&
         profile_prefs_->GetBoolean(prefs::kExtensionsUIDeveloperMode)) {
       Add(IDR_APPS_DEBUGGER_MANIFEST,
           base::FilePath(FILE_PATH_LITERAL("apps_debugger")));
     }
 
+
     AddFileManagerExtension();
+    AddHangoutServicesExtension();

[Yoyo Zhou, 2013/10/23 23:24:27]

Can this (and other such functions) be in an anonymous namespace instead?

[Jói, 2013/10/24 08:23:31]

Without some larger changes, they need to be members, since they all call the
Add() member.

     AddImageLoaderExtension();
 
 #if defined(ENABLE_SETTINGS_APP)
     Add(IDR_SETTINGS_APP_MANIFEST,
         base::FilePath(FILE_PATH_LITERAL("settings_app")));
 #endif
   }
 
   // If (!enable_background_extensions_during_testing || this isn't a test)
   //   install_feedback = false;
@@ skipping 82 matching lines @@
 
 void ComponentLoader::UnloadComponent(ComponentExtensionInfo* component) {
   delete component->manifest;
   if (extension_service_->is_ready()) {
     extension_service_->
         RemoveComponentExtension(component->extension_id);
   }
 }
 
 }  // namespace extensions