Audio related IPC messages and handlers from browser to renderer

chrome/renderer/media/audio_renderer_impl.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.  Use of this
 // source code is governed by a BSD-style license that can be found in the
 // LICENSE file.
 
 #include "chrome/renderer/media/audio_renderer_impl.h"
 
 AudioRendererImpl::AudioRendererImpl(WebMediaPlayerDelegateImpl* delegate)
     : delegate_(delegate) {
 }
 
@@ skipping 14 matching lines @@
 void AudioRendererImpl::SetVolume(float volume) {
   // TODO(scherkus): implement SetVolume.
   NOTIMPLEMENTED();
 }
 
 bool AudioRendererImpl::IsMediaFormatSupported(
     const media::MediaFormat* format) {
   // TODO(hclam): check the format correct.
   return true;
 }
+
+void AudioRendererImpl::OnRequestPacket() {
+  // TODO(hclam): implement this.
+}
+
+void AudioRendererImpl::OnCreated(base::SharedMemoryHandle handle,
+                                  size_t length) {
+  // TODO(hclam): implement this.
+}
+
+void AudioRendererImpl::OnStateChanged(AudioOutputStream::State state,
+                                       int info) {
+  // TODO(hclam): implement this.
+}
+
+void AudioRendererImpl::OnVolume(double left, double right) {
+  // TODO(hclam): implement this.
+}