Remove the AudioManager singleton.

content/browser/resource_context.cc

 // 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.
 
 #include "content/browser/resource_context.h"
 
 #include "base/logging.h"
 #include "content/browser/plugin_process_host.h"
 #include "content/public/browser/browser_thread.h"
 #include "webkit/database/database_tracker.h"
 
 namespace content {
 
 ResourceContext::ResourceContext()
     : host_resolver_(NULL),
       request_context_(NULL),
       appcache_service_(NULL),
       database_tracker_(NULL),
       file_system_context_(NULL),
       blob_storage_context_(NULL),
       quota_manager_(NULL),
       host_zoom_map_(NULL),
       media_observer_(NULL),
-      media_stream_manager_(NULL) {
+      download_id_factory_(NULL),
+      media_stream_manager_(NULL),
+      audio_manager_(NULL) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 }
 
 ResourceContext::~ResourceContext() {
   if (BrowserThread::IsMessageLoopValid(BrowserThread::IO)) {
     // Band-aid for http://crbug.com/94704 until we change plug-in channel
     // requests to be owned by the ResourceContext.
     PluginProcessHost::CancelPendingRequestsForResourceContext(this);
   }
 }
@@ skipping 116 matching lines @@
 void ResourceContext::set_media_observer(MediaObserver* media_observer) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   media_observer_ = media_observer;
 }
 
 DownloadIdFactory* ResourceContext::download_id_factory() const {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   EnsureInitialized();
   return download_id_factory_;
 }
+
 void ResourceContext::set_download_id_factory(
     DownloadIdFactory* download_id_factory) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   download_id_factory_ = download_id_factory;
 }
 
 media_stream::MediaStreamManager*
 ResourceContext::media_stream_manager() const {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   EnsureInitialized();
   return media_stream_manager_;
 }
 
 void ResourceContext::set_media_stream_manager(
     media_stream::MediaStreamManager* media_stream_manager) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   media_stream_manager_ = media_stream_manager;
 }
 
+AudioManager* ResourceContext::audio_manager() const {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  EnsureInitialized();
+  return audio_manager_;
+}
+
+void ResourceContext::set_audio_manager(AudioManager* audio_manager) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+  audio_manager_ = audio_manager;
+}
+
 }  // namespace content