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

content/browser/renderer_host/media/video_capture_manager_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.
 
 // Unit test for VideoCaptureManager.
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/renderer_host/media/media_stream_provider.h"
 #include "content/browser/renderer_host/media/video_capture_controller_event_handler.h"
 #include "content/browser/renderer_host/media/video_capture_manager.h"
 #include "content/common/media/media_stream_options.h"
 #include "media/video/capture/fake_video_capture_device_factory.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 58 matching lines @@
     message_loop_.reset(new base::MessageLoopForIO);
     io_thread_.reset(new BrowserThreadImpl(BrowserThread::IO,
                                            message_loop_.get()));
     vcm_ = new VideoCaptureManager(scoped_ptr<media::VideoCaptureDeviceFactory>(
         new media::FakeVideoCaptureDeviceFactory()));
     video_capture_device_factory_ =
         static_cast<media::FakeVideoCaptureDeviceFactory*>(
             vcm_->video_capture_device_factory());
     const int32 kNumberOfFakeDevices = 2;
     video_capture_device_factory_->set_number_of_devices(kNumberOfFakeDevices);
-    vcm_->Register(listener_.get(), message_loop_->task_runner().get());
+    vcm_->Register(listener_.get(), message_loop_->message_loop_proxy().get());
     frame_observer_.reset(new MockFrameObserver());
   }
 
   void TearDown() override {}
 
   void OnGotControllerCallback(
       VideoCaptureControllerID id,
       base::Closure quit_closure,
       bool expect_success,
       const base::WeakPtr<VideoCaptureController>& controller) {
@@ skipping 411 matching lines @@
 
   // Wait to check callbacks before removing the listener
   message_loop_->RunUntilIdle();
   vcm_->Unregister();
 }
 
 // TODO(mcasas): Add a test to check consolidation of the supported formats
 // provided by the device when http://crbug.com/323913 is closed.
 
 }  // namespace content