Plumb render view ID from audio-related code in renderer through IPCs to AudioRendererHost in brows…

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 4eb2761c7345b02a4eadb5d702ef188b4d1d3c4a..87b9180d591c61445fa0e93fb1c3c87b4a502aa9 100644
--- a/content/renderer/media/renderer_webaudiodevice_impl.cc
+++ b/content/renderer/media/renderer_webaudiodevice_impl.cc
@@ -14,11 +14,12 @@ using WebKit::WebAudioDevice;
 using WebKit::WebVector;
 
 RendererWebAudioDeviceImpl::RendererWebAudioDeviceImpl(
+    int render_view_id,
     const media::AudioParameters& params,
     WebAudioDevice::RenderCallback* callback)
     : is_running_(false),
       client_callback_(callback) {
-  audio_device_ = AudioDeviceFactory::NewOutputDevice();
+  audio_device_ = AudioDeviceFactory::NewOutputDevice(render_view_id);
 
   // TODO(crogers): remove once we properly handle input device selection.
   // https://code.google.com/p/chromium/issues/detail?id=147327