Implement Linux media notifier.

content/browser/browser_main_loop.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_BROWSER_BROWSER_MAIN_LOOP_H_
 #define CONTENT_BROWSER_BROWSER_MAIN_LOOP_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 13 matching lines @@
 namespace net {
 class NetworkChangeNotifier;
 }
 
 namespace content {
 
 class BrowserMainParts;
 class BrowserShutdownImpl;
 class BrowserThreadImpl;
 struct MainFunctionParams;
+class MediaDeviceNotificationsLinux;
 class WebKitThread;
 
 // Implements the main browser loop stages called from |BrowserMain()|.
 // See comments in browser_main_parts.h for additional info.
 // All functions are to be called only on the UI thread unless otherwise noted.
 class BrowserMainLoop {
  public:
   explicit BrowserMainLoop(const content::MainFunctionParams& parameters);
   virtual ~BrowserMainLoop();
 
@@ skipping 35 matching lines @@
   int result_code_;
 
   // Members initialized in |MainMessageLoopStart()| ---------------------------
   scoped_ptr<MessageLoop> main_message_loop_;
   scoped_ptr<base::SystemMonitor> system_monitor_;
   scoped_ptr<HighResolutionTimerManager> hi_res_timer_manager_;
   scoped_ptr<net::NetworkChangeNotifier> network_change_notifier_;
   scoped_ptr<AudioManager> audio_manager_;
 #if defined(OS_WIN)
   scoped_ptr<SystemMessageWindowWin> system_message_window_;
+#elif defined(OS_LINUX)
+  scoped_refptr<MediaDeviceNotificationsLinux>
+      media_device_notifications_linux_;
 #endif
 
   // Destroy parts_ before main_message_loop_ (required) and before other
   // classes constructed in content (but after main_thread_).
   scoped_ptr<BrowserMainParts> parts_;
 
   // Members initialized in |InitializeMainThread()| ---------------------------
   // This must get destroyed before other threads that are created in parts_.
   scoped_ptr<BrowserThreadImpl> main_thread_;
 
   // Members initialized in |BrowserThreadsStarted()| --------------------------
   scoped_ptr<ResourceDispatcherHost> resource_dispatcher_host_;
 
   // Members initialized in |RunMainMessageLoopParts()| ------------------------
   scoped_ptr<BrowserProcessSubThread> db_thread_;
   scoped_ptr<WebKitThread> webkit_thread_;
   scoped_ptr<BrowserProcessSubThread> file_user_blocking_thread_;
   scoped_ptr<BrowserProcessSubThread> file_thread_;
   scoped_ptr<BrowserProcessSubThread> process_launcher_thread_;
   scoped_ptr<BrowserProcessSubThread> cache_thread_;
   scoped_ptr<BrowserProcessSubThread> io_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserMainLoop);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_MAIN_LOOP_H_