Remove MessageLoop::current()->RunUntilIdle() in components.

components/search_engines/search_engine_data_type_controller_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 "components/search_engines/search_engine_data_type_controller.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 66 matching lines @@
     EXPECT_CALL(model_load_callback_, Run(_, _));
   }
 
   void Start() {
     search_engine_dtc_->LoadModels(
         base::Bind(&sync_driver::ModelLoadCallbackMock::Run,
                    base::Unretained(&model_load_callback_)));
     search_engine_dtc_->StartAssociating(
         base::Bind(&sync_driver::StartCallbackMock::Run,
                    base::Unretained(&start_callback_)));
-    base::MessageLoop::current()->RunUntilIdle();
+    base::RunLoop().RunUntilIdle();
   }
 
   base::MessageLoop message_loop_;
   std::unique_ptr<TemplateURLService> template_url_service_;
   scoped_refptr<SearchEngineDataTypeController> search_engine_dtc_;
   SyncApiComponentFactoryMock profile_sync_factory_;
   syncer::FakeSyncableService syncable_service_;
   sync_driver::StartCallbackMock start_callback_;
   sync_driver::ModelLoadCallbackMock model_load_callback_;
 };
@@ skipping 84 matching lines @@
   EXPECT_FALSE(syncable_service_.syncing());
   search_engine_dtc_->Stop();
   EXPECT_EQ(NULL, search_engine_dtc_->GetSubscriptionForTesting());
   EXPECT_EQ(sync_driver::DataTypeController::NOT_RUNNING,
             search_engine_dtc_->state());
   EXPECT_FALSE(syncable_service_.syncing());
 }
 
 }  // namespace
 }  // namespace browser_sync