chrome/browser: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

chrome/browser/sync_file_system/drive_backend/callback_helper_unittest.cc

 // Copyright 2014 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/browser/sync_file_system/drive_backend/callback_helper.h"
 
-#include "base/message_loop/message_loop.h"
+#include "base/location.h"
 #include "base/run_loop.h"
+#include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace sync_file_system {
 namespace drive_backend {
 
 namespace {
 
 void SimpleCallback(bool* called, int) {
@@ skipping 42 matching lines @@
 }
 
 TEST(DriveBackendCallbackHelperTest, RunOnOtherThreadTest) {
   base::MessageLoop message_loop;
   base::Thread thread("WorkerThread");
   thread.Start();
 
   scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner =
       base::ThreadTaskRunnerHandle::Get();
   scoped_refptr<base::SequencedTaskRunner> worker_task_runner =
-      thread.message_loop_proxy();
+      thread.task_runner();
 
   bool called = false;
   base::RunLoop run_loop;
   worker_task_runner->PostTask(
       FROM_HERE,
       RelayCallbackToTaskRunner(
           ui_task_runner.get(),
           FROM_HERE,
           base::Bind(&VerifyCalledOnTaskRunner, ui_task_runner, &called)));
   worker_task_runner->PostTask(
@@ skipping 10 matching lines @@
 TEST(DriveBackendCallbackHelperTest, PassNullFunctionTest) {
   base::MessageLoop message_loop;
   base::Closure closure = RelayCallbackToCurrentThread(
       FROM_HERE,
       base::Closure());
   EXPECT_TRUE(closure.is_null());
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system