Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/test/content_browser_test_test.cc

 // Copyright (c) 2011 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 "content/public/test/content_browser_test.h"
 
 #include "base/command_line.h"
-#include "base/location.h"
-#include "base/single_thread_task_runner.h"
 #include "base/strings/utf_string_conversions.h"
-#include "base/thread_task_runner_handle.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/public/test/test_utils.h"
 #include "content/shell/browser/shell.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 IN_PROC_BROWSER_TEST_F(ContentBrowserTest, MANUAL_ShouldntRun) {
@@ skipping 32 matching lines @@
 namespace {
 
 void CallbackChecker(bool* non_nested_task_ran) {
   *non_nested_task_ran = true;
 }
 
 }  // namespace
 
 IN_PROC_BROWSER_TEST_F(ContentBrowserTestSanityTest, NonNestableTask) {
   bool non_nested_task_ran = false;
-  base::ThreadTaskRunnerHandle::Get()->PostNonNestableTask(
+  base::MessageLoop::current()->PostNonNestableTask(
       FROM_HERE, base::Bind(&CallbackChecker, &non_nested_task_ran));
   content::RunAllPendingInMessageLoop();
   ASSERT_TRUE(non_nested_task_ran);
 }
 
 }  // namespace content