Remove all remaining traces of MessageLoopProxy.

content/browser/renderer_host/media/media_stream_manager.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/browser/renderer_host/media/media_stream_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <string.h>
 #include <algorithm>
@@ skipping 1581 matching lines @@
     audio_input_device_manager()->UseFakeDevice();
   }
 
   // TODO(dalecurtis): Remove ScopedTracker below once crbug.com/457525 is
   // fixed.
   tracked_objects::ScopedTracker tracking_profile4(
       FROM_HERE_WITH_EXPLICIT_FUNCTION(
           "457525 MediaStreamManager::InitializeDeviceManagersOnIOThread 4"));
   video_capture_manager_ =
       new VideoCaptureManager(media::VideoCaptureDeviceFactory::CreateFactory(
-          BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI)));
+          BrowserThread::GetTaskRunnerForThread(BrowserThread::UI)));
 #if defined(OS_WIN)
   // Use an STA Video Capture Thread to try to avoid crashes on enumeration of
   // buggy third party Direct Show modules, http://crbug.com/428958.
   video_capture_thread_.init_com_with_mta(false);
   CHECK(video_capture_thread_.Start());
   video_capture_manager_->Register(this, video_capture_thread_.task_runner());
 #else
   video_capture_manager_->Register(this, device_task_runner_);
 #endif
 
@@ skipping 568 matching lines @@
       if (device_info.session_id == session_id &&
           device_info.device.type == type) {
         request->SetCapturingLinkSecured(is_secure);
         return;
       }
     }
   }
 }
 
 }  // namespace content