Commits http://codereview.chromium.org/7157001/.

content/renderer/render_view.h

Index: content/renderer/render_view.h
===================================================================
--- content/renderer/render_view.h	(revision 92002)
+++ content/renderer/render_view.h	(working copy)
@@ -208,10 +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_;
   }
@@ -1078,8 +1074,6 @@
   // 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_;