Add support for switching the audio output device for HTMLMediaElements.

media/mojo/services/mojo_renderer_impl.cc

 // Copyright 2014 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 "media/mojo/services/mojo_renderer_impl.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 97 matching lines @@
   DCHECK(task_runner_->BelongsToCurrentThread());
   remote_media_renderer_->SetPlaybackRate(playback_rate);
 }
 
 void MojoRendererImpl::SetVolume(float volume) {
   DVLOG(2) << __FUNCTION__;
   DCHECK(task_runner_->BelongsToCurrentThread());
   remote_media_renderer_->SetVolume(volume);
 }
 
+void MojoRendererImpl::SwitchAudioOutputDevice(const std::string& device_id,
+                                               const GURL& security_origin) {
+  DVLOG(2) << __FUNCTION__;
+  DCHECK(task_runner_->BelongsToCurrentThread());
+  remote_media_renderer_->SwitchAudioOutputDevice(
+      mojo::String(device_id), mojo::String(security_origin.spec()));
+}
+
 base::TimeDelta MojoRendererImpl::GetMediaTime() {
   base::AutoLock auto_lock(lock_);
   DVLOG(3) << __FUNCTION__ << ": " << time_.InMilliseconds() << " ms";
   return time_;
 }
 
 bool MojoRendererImpl::HasAudio() {
   DVLOG(1) << __FUNCTION__;
   DCHECK(task_runner_->BelongsToCurrentThread());
   DCHECK(remote_media_renderer_.get());  // We always bind the renderer.
@@ skipping 69 matching lines @@
 }
 
 void MojoRendererImpl::OnInitialized() {
   DVLOG(1) << __FUNCTION__;
   DCHECK(task_runner_->BelongsToCurrentThread());
   if (!init_cb_.is_null())
     base::ResetAndReturn(&init_cb_).Run(PIPELINE_OK);
 }
 
 }  // namespace media