Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/extensions/api/commands/command_service.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/api/commands/command_service.h"
 
 #include "base/lazy_instance.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/api/commands/commands.h"
 #include "chrome/browser/extensions/extension_function_registry.h"
 #include "chrome/browser/extensions/extension_keybinding_registry.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
+#include "chrome/browser/prefs/pref_registry_syncable.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/extensions/api/commands/commands_handler.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 
 using extensions::Extension;
 
 namespace {
 
 const char kExtension[] = "extension";
 const char kCommandName[] = "command_name";
 
 std::string GetPlatformKeybindingKeyForAccelerator(
     const ui::Accelerator& accelerator) {
   return extensions::Command::CommandPlatform() + ":" +
          UTF16ToUTF8(accelerator.GetShortcutText());
 }
 
 }  // namespace
 
 namespace extensions {
 
 // static
-void CommandService::RegisterUserPrefs(PrefServiceSyncable* user_prefs) {
-  user_prefs->RegisterDictionaryPref(prefs::kExtensionCommands,
-                                     PrefServiceSyncable::SYNCABLE_PREF);
+void CommandService::RegisterUserPrefs(PrefRegistrySyncable* registry) {
+  registry->RegisterDictionaryPref(prefs::kExtensionCommands,
+                                   PrefRegistrySyncable::SYNCABLE_PREF);
 }
 
 CommandService::CommandService(Profile* profile)
     : profile_(profile) {
   ManifestHandler::Register(extension_manifest_keys::kCommands,
                             make_linked_ptr(new CommandsHandler));
 
   ExtensionFunctionRegistry::GetInstance()->
       RegisterFunction<GetAllCommandsFunction>();
 
@@ skipping 302 matching lines @@
     return false;
 
   *command = *requested_command;
   if (shortcut_assigned.key_code() != ui::VKEY_UNKNOWN)
     command->set_accelerator(shortcut_assigned);
 
   return true;
 }
 
 }  // namespace extensions