Plumb render view ID to media observer

content/renderer/pepper/pepper_platform_audio_output_impl.cc

Index: content/renderer/pepper/pepper_platform_audio_output_impl.cc
diff --git a/content/renderer/pepper/pepper_platform_audio_output_impl.cc b/content/renderer/pepper/pepper_platform_audio_output_impl.cc
index f964b07de98e319bf4c356c7cf5867e5c29ad34c..539cf9f369c3f499bdc20d2eb09b58964c38ba58 100644
--- a/content/renderer/pepper/pepper_platform_audio_output_impl.cc
+++ b/content/renderer/pepper/pepper_platform_audio_output_impl.cc
@@ -12,17 +12,22 @@
 #include "content/common/media/audio_messages.h"
 #include "content/renderer/media/audio_hardware.h"
 #include "content/renderer/render_thread_impl.h"
+#include "content/renderer/render_view_impl.h"
 
 namespace content {
 
 // static
 PepperPlatformAudioOutputImpl* PepperPlatformAudioOutputImpl::Create(
+    RenderViewImpl* render_view,
     int sample_rate,
     int frames_per_buffer,
     webkit::ppapi::PluginDelegate::PlatformAudioOutputClient* client) {
   scoped_refptr<PepperPlatformAudioOutputImpl> audio_output(
       new PepperPlatformAudioOutputImpl);
-  if (audio_output->Initialize(sample_rate, frames_per_buffer, client)) {
+  if (audio_output->Initialize(render_view,
+                               sample_rate,
+                               frames_per_buffer,
+                               client)) {
     // Balanced by Release invoked in
     // PepperPlatformAudioOutputImpl::ShutDownOnIOThread().
     return audio_output.release();
@@ -103,6 +108,7 @@ PepperPlatformAudioOutputImpl::PepperPlatformAudioOutputImpl()
 }
 
 bool PepperPlatformAudioOutputImpl::Initialize(
+    RenderViewImpl* render_view,
     int sample_rate,
     int frames_per_buffer,
     webkit::ppapi::PluginDelegate::PlatformAudioOutputClient* client) {
@@ -110,6 +116,7 @@ bool PepperPlatformAudioOutputImpl::Initialize(
   // Make sure we don't call init more than once.
   DCHECK_EQ(0, stream_id_);
 
+  render_view_ = render_view;
   client_ = client;
 
   media::AudioParameters::Format format;
@@ -137,7 +144,8 @@ bool PepperPlatformAudioOutputImpl::Initialize(
 void PepperPlatformAudioOutputImpl::InitializeOnIOThread(
     const media::AudioParameters& params) {
   stream_id_ = filter_->AddDelegate(this);
-  filter_->Send(new AudioHostMsg_CreateStream(stream_id_, params));
+  filter_->Send(new AudioHostMsg_CreateStream(
+      render_view_->routing_id(), stream_id_, params));
 }
 
 void PepperPlatformAudioOutputImpl::StartPlaybackOnIOThread() {