Remove the AudioManager singleton.

chrome/browser/browser_process.h

 // Copyright (c) 2011 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.
 
 // This interface is for managing the global services of the application. Each
 // service is lazily created when requested the first time. The service getters
 // will return NULL if the service is not available, so callers must check for
 // this condition.
 
 #ifndef CHROME_BROWSER_BROWSER_PROCESS_H_
 #define CHROME_BROWSER_BROWSER_PROCESS_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "ipc/ipc_message.h"
 
+class AudioManager;
 class AutomationProviderList;
 class BackgroundModeManager;
 class ChromeNetLog;
 class CRLSetFetcher;
 class ComponentUpdateService;
 class DownloadRequestLimiter;
 class DownloadStatusUpdater;
 class ExtensionEventRouterForwarder;
 class GoogleURLTracker;
 class IconManager;
@@ skipping 184 matching lines @@
   virtual ChromeNetLog* net_log() = 0;
 
   virtual prerender::PrerenderTracker* prerender_tracker() = 0;
 
   virtual MHTMLGenerationManager* mhtml_generation_manager() = 0;
 
   virtual ComponentUpdateService* component_updater() = 0;
 
   virtual CRLSetFetcher* crl_set_fetcher() = 0;
 
+  virtual AudioManager* audio_manager() = 0;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(BrowserProcess);
 };
 
 extern BrowserProcess* g_browser_process;
 
 #endif  // CHROME_BROWSER_BROWSER_PROCESS_H_