Implements AudioMessageFilter as member in RenderThread

content/renderer/render_view.h

Index: content/renderer/render_view.h
===================================================================
--- content/renderer/render_view.h	(revision 89207)
+++ content/renderer/render_view.h	(working copy)
@@ -50,7 +50,6 @@
 #pragma warning(disable: 4250)
 #endif
 
-class AudioMessageFilter;
 class DeviceOrientationDispatcher;
 class ExternalPopupMenu;
 class FilePath;
@@ -209,10 +208,6 @@
   int page_id() const { return page_id_; }
   PepperPluginDelegateImpl* pepper_delegate() { return &pepper_delegate_; }
 
-  AudioMessageFilter* audio_message_filter() {
-    return audio_message_filter_;
-  }
-
   const WebPreferences& webkit_preferences() const {
     return webkit_preferences_;
   }
@@ -1082,8 +1077,6 @@
   // Device orientation dispatcher attached to this view; lazily initialized.
   DeviceOrientationDispatcher* device_orientation_dispatcher_;
 
-  scoped_refptr<AudioMessageFilter> audio_message_filter_;
-
   // Handles accessibility requests into the renderer side, as well as
   // maintains the cache and other features of the accessibility tree.
   scoped_ptr<WebKit::WebAccessibilityCache> accessibility_;