sync: Make ProfileSyncService a ProfileKeyedService.

chrome/browser/profiles/off_the_record_profile_impl.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_OFF_THE_RECORD_PROFILE_IMPL_H_
 #define CHROME_BROWSER_PROFILES_OFF_THE_RECORD_PROFILE_IMPL_H_
 #pragma once
 
 #include <string>
 
@@ skipping 67 matching lines @@
       const std::string& app_id) OVERRIDE;
   virtual const content::ResourceContext& GetResourceContext() OVERRIDE;
   virtual net::SSLConfigService* GetSSLConfigService() OVERRIDE;
   virtual HostContentSettingsMap* GetHostContentSettingsMap() OVERRIDE;
   virtual HostZoomMap* GetHostZoomMap() OVERRIDE;
   virtual GeolocationPermissionContext*
       GetGeolocationPermissionContext() OVERRIDE;
   virtual SpeechInputPreferences* GetSpeechInputPreferences() OVERRIDE;
   virtual UserStyleSheetWatcher* GetUserStyleSheetWatcher() OVERRIDE;
   virtual FindBarState* GetFindBarState() OVERRIDE;
-  virtual bool HasProfileSyncService() const OVERRIDE;
+  virtual bool HasProfileSyncService() OVERRIDE;
   virtual bool DidLastSessionExitCleanly() OVERRIDE;
   virtual BookmarkModel* GetBookmarkModel() OVERRIDE;
   virtual ProtocolHandlerRegistry* GetProtocolHandlerRegistry() OVERRIDE;
   virtual SigninManager* GetSigninManager() OVERRIDE;
   virtual TokenService* GetTokenService() OVERRIDE;
   virtual ProfileSyncService* GetProfileSyncService() OVERRIDE;
   virtual bool IsSameProfile(Profile* profile) OVERRIDE;
   virtual Time GetStartTime() const OVERRIDE;
   virtual SpellCheckHost* GetSpellCheckHost() OVERRIDE;
   virtual void ReinitializeSpellCheckHost(bool force) OVERRIDE;
@@ skipping 90 matching lines @@
   scoped_ptr<PrefProxyConfigTracker> pref_proxy_config_tracker_;
 
   scoped_ptr<ChromeURLDataManager> chrome_url_data_manager_;
 
   scoped_refptr<quota::QuotaManager> quota_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(OffTheRecordProfileImpl);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_OFF_THE_RECORD_PROFILE_IMPL_H_