Remove calls to deprecated MessageLoop methods on Windows and Linux.

components/sync/driver/non_ui_model_type_controller_unittest.cc

 // Copyright 2016 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/sync/driver/non_ui_model_type_controller.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 262 matching lines @@
   }
 
   // These threads can ping-pong for a bit so we run the model thread twice.
   void RunAllTasks() {
     RunQueuedModelThreadTasks();
     RunQueuedUIThreadTasks();
     RunQueuedModelThreadTasks();
   }
 
   // Runs any tasks posted on UI thread.
-  void RunQueuedUIThreadTasks() { ui_loop_.RunUntilIdle(); }
+  void RunQueuedUIThreadTasks() { base::RunLoop().RunUntilIdle(); }
 
   // Runs any tasks posted on model thread.
   void RunQueuedModelThreadTasks() {
     base::RunLoop run_loop;
     model_thread_runner_->PostTaskAndReply(
         FROM_HERE, base::Bind(&base::DoNothing),
         base::Bind(&base::RunLoop::Quit, base::Unretained(&run_loop)));
     run_loop.Run();
   }
 
@@ skipping 72 matching lines @@
   RegisterWithBackend();
   ExpectProcessorConnected(true);
 
   StartAssociating();
 
   DeactivateDataTypeAndStop();
   EXPECT_EQ(sync_driver::DataTypeController::NOT_RUNNING, controller_->state());
 }
 
 }  // namespace sync_driver_v2