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

content/shell/renderer/layout_test/blink_test_runner.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 "content/shell/renderer/layout_test/blink_test_runner.h"
 
 #include <algorithm>
 #include <clocale>
 #include <cmath>
 
 #include "base/base64.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/debug/debugger.h"
 #include "base/files/file_path.h"
-#include "base/location.h"
 #include "base/md5.h"
 #include "base/memory/scoped_ptr.h"
-#include "base/single_thread_task_runner.h"
+#include "base/message_loop/message_loop.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
-#include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "components/test_runner/app_banner_client.h"
 #include "components/test_runner/gamepad_controller.h"
 #include "components/test_runner/mock_screen_orientation_client.h"
 #include "components/test_runner/test_interfaces.h"
 #include "components/test_runner/web_task.h"
 #include "components/test_runner/web_test_interfaces.h"
 #include "components/test_runner/web_test_proxy.h"
 #include "components/test_runner/web_test_runner.h"
 #include "content/public/common/content_switches.h"
@@ skipping 790 matching lines @@
     Send(new ShellViewHostMsg_ImageDump(
         routing_id(), actual_pixel_hash, snapshot));
   }
 
   CaptureDumpComplete();
 }
 
 void BlinkTestRunner::CaptureDumpComplete() {
   render_view()->GetWebView()->mainFrame()->stopLoading();
 
-  base::ThreadTaskRunnerHandle::Get()->PostTask(
+  base::MessageLoop::current()->PostTask(
       FROM_HERE, base::Bind(base::IgnoreResult(&BlinkTestRunner::Send),
                             base::Unretained(this),
                             new ShellViewHostMsg_TestFinished(routing_id())));
 }
 
 void BlinkTestRunner::OnSetTestConfiguration(
     const ShellTestConfiguration& params) {
   test_config_ = params;
   is_main_window_ = true;
 
@@ skipping 42 matching lines @@
 
   leak_detector_->TryLeakDetection(main_frame);
 }
 
 void BlinkTestRunner::ReportLeakDetectionResult(
     const LeakDetectionResult& report) {
   Send(new ShellViewHostMsg_LeakDetectionDone(routing_id(), report));
 }
 
 }  // namespace content