Part 2: Plumb render view ID to content::MediaObserver

content/test/webrtc_audio_device_test.cc

Index: content/test/webrtc_audio_device_test.cc
diff --git a/content/test/webrtc_audio_device_test.cc b/content/test/webrtc_audio_device_test.cc
index 833118f84dc0c81f0a29efbff9cc6560fd22d3e5..b4cb208297afac136602faed132ca940822a895e 100644
--- a/content/test/webrtc_audio_device_test.cc
+++ b/content/test/webrtc_audio_device_test.cc
@@ -235,7 +235,7 @@ void WebRTCAudioDeviceTest::UninitializeIOThread() {
 void WebRTCAudioDeviceTest::CreateChannel(const char* name) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
   audio_render_host_ = new AudioRendererHost(
-      audio_manager_.get(), media_observer_.get());
+      0, audio_manager_.get(), media_observer_.get());
   audio_render_host_->OnChannelConnected(base::GetCurrentProcId());
 
   audio_input_renderer_host_ = new AudioInputRendererHost(