Add support for switching the audio output device for HTMLMediaElements.

media/mojo/services/mojo_renderer_service.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_service.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/memory/scoped_vector.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 85 matching lines @@
 void MojoRendererService::SetPlaybackRate(double playback_rate) {
   DVLOG(2) << __FUNCTION__ << ": " << playback_rate;
   DCHECK_EQ(state_, STATE_PLAYING);
   renderer_->SetPlaybackRate(playback_rate);
 }
 
 void MojoRendererService::SetVolume(float volume) {
   renderer_->SetVolume(volume);
 }
 
+void MojoRendererService::SwitchAudioOutputDevice(
+    const mojo::String& device_id, const mojo::String& security_origin) {
+  renderer_->SwitchAudioOutputDevice(device_id.get(),
+                                     GURL(security_origin.get()).GetOrigin());
+}
+
+
 void MojoRendererService::OnStreamReady(const mojo::Closure& callback) {
   DCHECK_EQ(state_, STATE_INITIALIZING);
 
   renderer_->Initialize(
       stream_provider_.get(),
       base::Bind(
           &MojoRendererService::OnRendererInitializeDone, weak_this_, callback),
       base::Bind(&MojoRendererService::OnUpdateStatistics, weak_this_),
       base::Bind(&MojoRendererService::OnBufferingStateChanged, weak_this_),
       base::Bind(&MojoRendererService::OnRendererEnded, weak_this_),
@@ skipping 63 matching lines @@
 }
 
 void MojoRendererService::OnFlushCompleted(const mojo::Closure& callback) {
   DVLOG(1) << __FUNCTION__;
   DCHECK_EQ(state_, STATE_FLUSHING);
   state_ = STATE_PLAYING;
   callback.Run();
 }
 
 }  // namespace media