Move the MediaObserver getter from ResourceContext to ContentBrowserClient, since we only need to s…

content/browser/renderer_host/media/audio_renderer_host.h

Index: content/browser/renderer_host/media/audio_renderer_host.h
===================================================================
--- content/browser/renderer_host/media/audio_renderer_host.h	(revision 128803)
+++ content/browser/renderer_host/media/audio_renderer_host.h	(working copy)
@@ -89,8 +89,8 @@
   typedef std::map<int, AudioEntry*> AudioEntryMap;
 
   // Called from UI thread from the owner of this object.
-  AudioRendererHost(content::ResourceContext* resource_context,
-                    AudioManager* audio_manager);
+  AudioRendererHost(AudioManager* audio_manager,
+                    content::MediaObserver* media_observer);
 
   // content::BrowserMessageFilter implementation.
   virtual void OnChannelClosing() OVERRIDE;
@@ -178,14 +178,11 @@
   // event is received.
   AudioEntry* LookupByController(media::AudioOutputController* controller);
 
-  // Returns the MediaObserver from |resource_context_| or NULL if none exists.
-  content::MediaObserver* GetMediaObserver();
-
   // A map of stream IDs to audio sources.
   AudioEntryMap audio_entries_;
 
-  content::ResourceContext* resource_context_;
   AudioManager* audio_manager_;
+  content::MediaObserver* media_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioRendererHost);
 };