Move PrefMember and PrefChangeRegistrar to api directory.

chrome/browser/chromeos/gdata/gdata_file_system.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_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/platform_file.h"
 #include "base/timer.h"
+#include "chrome/browser/api/prefs/pref_change_registrar.h"
 #include "chrome/browser/chromeos/gdata/gdata_cache.h"
 #include "chrome/browser/chromeos/gdata/gdata_directory_service.h"
 #include "chrome/browser/chromeos/gdata/gdata_errorcode.h"
 #include "chrome/browser/chromeos/gdata/gdata_file_system_interface.h"
 #include "chrome/browser/chromeos/gdata/gdata_wapi_feed_loader.h"
 #include "chrome/browser/chromeos/gdata/gdata_wapi_feed_processor.h"
-#include "chrome/browser/prefs/pref_change_registrar.h"
 #include "content/public/browser/notification_observer.h"
 
 namespace base {
 class SequencedTaskRunner;
 }
 
 namespace gdata {
 
 class DocumentsServiceInterface;
 class DriveWebAppsRegistryInterface;
@@ skipping 820 matching lines @@
   // invalidate the weak pointers before any other members are destroyed.
   base::WeakPtrFactory<GDataFileSystem> ui_weak_ptr_factory_;
   // Unlike other classes, we need this as we need this to redirect a task
   // from IO thread to UI thread.
   base::WeakPtr<GDataFileSystem> ui_weak_ptr_;
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_