Replace MessageLoopProxy with SingleThreadTaskRunner for the rest of media/.

content/browser/renderer_host/media/web_contents_audio_input_stream.cc

 // Copyright (c) 2013 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/web_contents_audio_input_stream.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 263 matching lines @@
     } else {
       StartMirroring();
     }
   }
 }
 
 // static
 WebContentsAudioInputStream* WebContentsAudioInputStream::Create(
     const std::string& device_id,
     const media::AudioParameters& params,
-    const scoped_refptr<base::MessageLoopProxy>& worker_loop,
+    const scoped_refptr<base::SingleThreadTaskRunner>& worker_task_runner,
     AudioMirroringManager* audio_mirroring_manager) {
   int render_process_id;
   int render_view_id;
   if (!WebContentsCaptureUtil::ExtractTabCaptureTarget(
           device_id, &render_process_id, &render_view_id)) {
     return NULL;
   }
 
   return new WebContentsAudioInputStream(
       render_process_id, render_view_id,
       audio_mirroring_manager,
       new WebContentsTracker(),
       new media::VirtualAudioInputStream(
-          params, worker_loop,
+          params, worker_task_runner,
           media::VirtualAudioInputStream::AfterCloseCallback()));
 }
 
 WebContentsAudioInputStream::WebContentsAudioInputStream(
     int render_process_id, int render_view_id,
     AudioMirroringManager* mirroring_manager,
     const scoped_refptr<WebContentsTracker>& tracker,
     media::VirtualAudioInputStream* mixer_stream)
     : impl_(new Impl(render_process_id, render_view_id,
                      mirroring_manager, tracker, mixer_stream)) {}
@@ skipping 31 matching lines @@
 
 void WebContentsAudioInputStream::SetAutomaticGainControl(bool enabled) {
   impl_->mixer_stream()->SetAutomaticGainControl(enabled);
 }
 
 bool WebContentsAudioInputStream::GetAutomaticGainControl() {
   return impl_->mixer_stream()->GetAutomaticGainControl();
 }
 
 }  // namespace content