Split PrefService into PrefService, PrefServiceSimple and 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/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_keybinding_registry.h"
 #include "chrome/browser/extensions/extension_service.h"
@@ skipping 17 matching lines @@
     const ui::Accelerator& accelerator) {
   return extensions::Command::CommandPlatform() + ":" +
          UTF16ToUTF8(accelerator.GetShortcutText());
 }
 
 }  // namespace
 
 namespace extensions {
 
 // static
-void CommandService::RegisterUserPrefs(
-  PrefService* user_prefs) {
-      user_prefs->RegisterDictionaryPref(prefs::kExtensionCommands,
-                                         PrefService::SYNCABLE_PREF);
+void CommandService::RegisterUserPrefs(PrefServiceSyncable* user_prefs) {
+  user_prefs->RegisterDictionaryPref(prefs::kExtensionCommands,
+                                     PrefServiceSyncable::SYNCABLE_PREF);
 }
 
 CommandService::CommandService(Profile* profile)
     : profile_(profile) {
   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_INSTALLED,
       content::Source<Profile>(profile));
   registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNINSTALLED,
       content::Source<Profile>(profile));
 }
 
@@ skipping 278 matching lines @@
     return false;
 
   *command = *requested_command;
   if (shortcut_assigned.key_code() != ui::VKEY_UNKNOWN)
     command->set_accelerator(shortcut_assigned);
 
   return true;
 }
 
 }  // namespace extensions