Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/extensions/extension_web_ui.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/extension_web_ui.h"
 
 #include <set>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/extensions/image_loader.h"
 #include "chrome/browser/favicon/favicon_util.h"
+#include "chrome/browser/prefs/pref_registry_syncable.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_iterator.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_icon_set.h"
 #include "chrome/common/extensions/extension_resource.h"
@@ skipping 145 matching lines @@
 
 extensions::BookmarkManagerPrivateEventRouter*
 ExtensionWebUI::bookmark_manager_private_event_router() {
   return bookmark_manager_private_event_router_.get();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // chrome:// URL overrides
 
 // static
-void ExtensionWebUI::RegisterUserPrefs(PrefServiceSyncable* prefs) {
-  prefs->RegisterDictionaryPref(kExtensionURLOverrides,
-                                PrefServiceSyncable::UNSYNCABLE_PREF);
+void ExtensionWebUI::RegisterUserPrefs(PrefRegistrySyncable* registry) {
+  registry->RegisterDictionaryPref(kExtensionURLOverrides,
+                                   PrefRegistrySyncable::UNSYNCABLE_PREF);
 }
 
 // static
 bool ExtensionWebUI::HandleChromeURLOverride(
     GURL* url, content::BrowserContext* browser_context) {
   if (!url->SchemeIs(chrome::kChromeUIScheme))
     return false;
 
   Profile* profile = Profile::FromBrowserContext(browser_context);
   const DictionaryValue* overrides =
@@ skipping 234 matching lines @@
             extensions::ImageLoader::ImageRepresentation::ALWAYS_RESIZE,
             gfx::Size(pixel_size, pixel_size),
             scale_factors[i]));
   }
 
   // LoadImagesAsync actually can run callback synchronously. We want to force
   // async.
   extensions::ImageLoader::Get(profile)->LoadImagesAsync(
       extension, info_list, base::Bind(&RunFaviconCallbackAsync, callback));
 }