sync: Make ProfileSyncService a ProfileKeyedService.

chrome/test/base/testing_profile.h

Index: chrome/test/base/testing_profile.h
diff --git a/chrome/test/base/testing_profile.h b/chrome/test/base/testing_profile.h
index e1909e51629be38893d53ca856986c0b9c296f36..5b73ebaaa7ea5dbcee31eb7ef9c3b29407096f60 100644
--- a/chrome/test/base/testing_profile.h
+++ b/chrome/test/base/testing_profile.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -234,7 +234,7 @@ class TestingProfile : public Profile {
       GetGeolocationPermissionContext() OVERRIDE;
   virtual SpeechInputPreferences* GetSpeechInputPreferences() OVERRIDE;
   virtual HostZoomMap* GetHostZoomMap() OVERRIDE;
-  virtual bool HasProfileSyncService() const OVERRIDE;
+  virtual bool HasProfileSyncService() OVERRIDE;
   virtual std::wstring GetName();
   virtual void SetName(const std::wstring& name) {}
   virtual std::wstring GetID();