Extract PrefServiceBase into chrome/browser/api. Use in api and autofill.

chrome/browser/ui/webui/ntp/app_launcher_handler.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_NTP_APP_LAUNCHER_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_NTP_APP_LAUNCHER_HANDLER_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 84 matching lines @@
   // action for UMA.
   void HandleRecordAppLaunchByURL(const base::ListValue* args);
 
   // Callback for "closeNotification" message.
   void HandleNotificationClose(const base::ListValue* args);
 
   // Callback for "setNotificationsDisabled" message.
   void HandleSetNotificationsDisabled(const base::ListValue* args);
 
   // Register app launcher preferences.
-  static void RegisterUserPrefs(PrefService* pref_service);
+  static void RegisterUserPrefs(PrefServiceBase* pref_service);
 
   // Records the given type of app launch for UMA.
   static void RecordAppLaunchType(extension_misc::AppLaunchBucket bucket);
 
  private:
   struct AppInstallInfo {
     AppInstallInfo();
     ~AppInstallInfo();
 
     bool is_bookmark_app;
@@ skipping 83 matching lines @@
   // when the app is added to the page (via getAppsCallback or appAdded).
   std::string highlight_app_id_;
 
   // Hold state for favicon requests.
   CancelableRequestConsumerTSimple<AppInstallInfo*> favicon_consumer_;
 
   DISALLOW_COPY_AND_ASSIGN(AppLauncherHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_APP_LAUNCHER_HANDLER_H_