Switching audio clients to using RestartableAudioRendererSink interface as a sink.

content/renderer/media/renderer_webaudiodevice_impl.cc

Index: content/renderer/media/renderer_webaudiodevice_impl.cc
diff --git a/content/renderer/media/renderer_webaudiodevice_impl.cc b/content/renderer/media/renderer_webaudiodevice_impl.cc
index a7e9408ee6fada23bebb7f32162887ce95fb0f8c..cb5e9ca8c20477f1cf6b13cf67259989ee70b031 100644
--- a/content/renderer/media/renderer_webaudiodevice_impl.cc
+++ b/content/renderer/media/renderer_webaudiodevice_impl.cc
@@ -14,11 +14,11 @@
 #include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
-#include "content/renderer/media/audio_device_factory.h"
+#include "content/renderer/media/restartable_audio_output_device_factory.h"
 #include "content/renderer/render_frame_impl.h"
-#include "media/audio/audio_output_device.h"
 #include "media/audio/null_audio_sink.h"
 #include "media/base/media_switches.h"
+#include "media/base/restartable_audio_output_device.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebView.h"
 
@@ -69,11 +69,14 @@ void RendererWebAudioDeviceImpl::start() {
   WebLocalFrame* const web_frame = WebLocalFrame::frameForCurrentContext();
   RenderFrame* const render_frame =
       web_frame ? RenderFrame::FromWebFrame(web_frame) : NULL;
-  output_device_ = AudioDeviceFactory::NewOutputDevice(
+  output_device_ = RestartableAudioOutputDeviceFactory::NewOutputDevice(
+      RestartableAudioOutputDeviceFactory::kSourceWebAudio,
       render_frame ? render_frame->GetRoutingID() : MSG_ROUTING_NONE,
       session_id_, std::string(), url::Origin());
   output_device_->Initialize(params_, this);
   output_device_->Start();
+  // RestartableAudioOutputDevice does not play on start:
+  output_device_->Play();
   start_null_audio_sink_callback_.Reset(
       base::Bind(&media::NullAudioSink::Play, null_audio_sink_));
   // Note: Default behavior is to auto-play on start.