Componentize PrefSyncableService and support classes.

components/syncable_prefs/testing_pref_service_syncable.cc

 // Copyright (c) 2013 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.
 
-#include "chrome/test/base/testing_pref_service_syncable.h"
+#include "components/syncable_prefs/testing_pref_service_syncable.h"
 
 #include "base/bind.h"
 #include "base/prefs/pref_notifier_impl.h"
 #include "base/prefs/pref_value_store.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 template <>
 TestingPrefServiceBase<PrefServiceSyncable, user_prefs::PrefRegistrySyncable>::
     TestingPrefServiceBase(TestingPrefStore* managed_prefs,
@@ skipping 47 matching lines @@
         pref_notifier) {
 }
 
 TestingPrefServiceSyncable::~TestingPrefServiceSyncable() {
 }
 
 user_prefs::PrefRegistrySyncable* TestingPrefServiceSyncable::registry() {
   return static_cast<user_prefs::PrefRegistrySyncable*>(
       DeprecatedGetPrefRegistry());
 }