sync: Use base::MessageLoop.

sync/notifier/invalidation_notifier_unittest.cc

 // 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.
 
 #include "sync/notifier/invalidation_notifier.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "jingle/notifier/base/fake_base_task.h"
 #include "jingle/notifier/base/notifier_options.h"
@@ skipping 58 matching lines @@
   void TriggerOnInvalidatorStateChange(InvalidatorState state) {
     invalidator_->OnInvalidatorStateChange(state);
   }
 
   void TriggerOnIncomingInvalidation(
       const ObjectIdInvalidationMap& invalidation_map) {
     invalidator_->OnInvalidate(invalidation_map);
   }
 
  private:
-  MessageLoop message_loop_;
+  base::MessageLoop message_loop_;
   scoped_ptr<InvalidationNotifier> invalidator_;
 };
 
 INSTANTIATE_TYPED_TEST_CASE_P(
     InvalidationNotifierTest, InvalidatorTest,
     InvalidationNotifierTestDelegate);
 
 }  // namespace
 
 }  // namespace syncer