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

chrome/browser/profiles/gaia_info_update_service.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_PROFILES_GAIA_INFO_UPDATE_SERVICE_H_
 #define CHROME_BROWSER_PROFILES_GAIA_INFO_UPDATE_SERVICE_H_
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 14 matching lines @@
   explicit GAIAInfoUpdateService(Profile* profile);
   virtual ~GAIAInfoUpdateService();
 
   // Updates the GAIA info for the profile associated with this instance.
   virtual void Update();
 
   // Checks if downloading GAIA info for the given profile is allowed.
   static bool ShouldUseGAIAProfileInfo(Profile* profile);
 
   // Register prefs for a profile.
-  static void RegisterUserPrefs(PrefService* prefs);
+  static void RegisterUserPrefs(PrefServiceBase* prefs);
 
   // ProfileDownloaderDelegate:
   virtual bool NeedsProfilePicture() const OVERRIDE;
   virtual int GetDesiredImageSideLength() const OVERRIDE;
   virtual Profile* GetBrowserProfile() OVERRIDE;
   virtual std::string GetCachedPictureURL() const OVERRIDE;
   virtual void OnProfileDownloadSuccess(ProfileDownloader* downloader) OVERRIDE;
   virtual void OnProfileDownloadFailure(ProfileDownloader* downloader) OVERRIDE;
 
  private:
@@ skipping 11 matching lines @@
   Profile* profile_;
   scoped_ptr<ProfileDownloader> profile_image_downloader_;
   StringPrefMember username_pref_;
   base::Time last_updated_;
   base::OneShotTimer<GAIAInfoUpdateService> timer_;
 
   DISALLOW_COPY_AND_ASSIGN(GAIAInfoUpdateService);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_GAIA_INFO_UPDATE_SERVICE_H_