Associate audio streams with their source/destination RenderView.

content/browser/renderer_host/media/audio_input_renderer_host.cc

Index: content/browser/renderer_host/media/audio_input_renderer_host.cc
diff --git a/content/browser/renderer_host/media/audio_input_renderer_host.cc b/content/browser/renderer_host/media/audio_input_renderer_host.cc
index e2810d58eb4deddde87f469772709797dd4a9441..d9464c7daa74f10073b328c1fc985a2bf68bcf37 100644
--- a/content/browser/renderer_host/media/audio_input_renderer_host.cc
+++ b/content/browser/renderer_host/media/audio_input_renderer_host.cc
@@ -183,6 +183,8 @@ bool AudioInputRendererHost::OnMessageReceived(const IPC::Message& message,
   IPC_BEGIN_MESSAGE_MAP_EX(AudioInputRendererHost, message, *message_was_ok)
     IPC_MESSAGE_HANDLER(AudioInputHostMsg_StartDevice, OnStartDevice)
     IPC_MESSAGE_HANDLER(AudioInputHostMsg_CreateStream, OnCreateStream)
+    IPC_MESSAGE_HANDLER(AudioInputHostMsg_AssociateStreamWithConsumer,
+                        OnAssociateStreamWithConsumer)
     IPC_MESSAGE_HANDLER(AudioInputHostMsg_RecordStream, OnRecordStream)
     IPC_MESSAGE_HANDLER(AudioInputHostMsg_CloseStream, OnCloseStream)
     IPC_MESSAGE_HANDLER(AudioInputHostMsg_SetVolume, OnSetVolume)
@@ -274,6 +276,14 @@ void AudioInputRendererHost::OnCreateStream(
   audio_entries_.insert(std::make_pair(stream_id, entry.release()));
 }
 
+void AudioInputRendererHost::OnAssociateStreamWithConsumer(int stream_id,
+                                                           int render_view_id) {
+  // TODO(miu): Will use render_view_id in upcoming change.
+  DVLOG(1) << "AudioInputRendererHost@" << this
+           << "::OnAssociateStreamWithConsumer(stream_id=" << stream_id
+           << ", render_view_id=" << render_view_id << ")";
+}
+
 void AudioInputRendererHost::OnRecordStream(int stream_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));