Revert 53992 - An earlier check-in (r51786, Issue 2769008) caused a memory le...

chrome/browser/chromeos/audio_handler.h

Index: chrome/browser/chromeos/audio_handler.h
===================================================================
--- chrome/browser/chromeos/audio_handler.h	(revision 54169)
+++ chrome/browser/chromeos/audio_handler.h	(working copy)
@@ -42,15 +42,13 @@
   // Mutes all audio.  Non-blocking call.
   void SetMute(bool do_mute);
 
-  // AudioHandler is a singleton initialized at startup.  Use this to determine
-  // if there is a valid connection to a mixer.
-  bool IsValid();
-
  private:
   // Defines the delete on exit Singleton traits we like.  Best to have this
   // and constructor/destructor private as recommended for Singletons.
   friend struct DefaultSingletonTraits<AudioHandler>;
 
+  void OnMixerInitialized(bool success);
+
   AudioHandler();
   virtual ~AudioHandler();
   bool VerifyMixerConnection();