Added AVFoundation Glue and Device Monitoring for Mac.

content/browser/device_monitor_mac.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_DEVICE_MONITOR_MAC_H_
 #define CONTENT_BROWSER_DEVICE_MONITOR_MAC_H_
 
 #include "base/basictypes.h"
 #include "base/system_monitor/system_monitor.h"
 
 namespace content {
 
 class DeviceMonitorMac {
  public:
   DeviceMonitorMac();
   ~DeviceMonitorMac();
 
  private:
-  // Forward the notifications to system monitor.
   void NotifyDeviceChanged(base::SystemMonitor::DeviceType type);
+  class MacMonitorInterface;
+  scoped_ptr<DeviceMonitorMac::MacMonitorInterface> device_monitor_impl_;
 
-  class QTMonitorImpl;
-  scoped_ptr<DeviceMonitorMac::QTMonitorImpl> qt_monitor_;
+  class QTKitMonitorImpl;

[Mark Mentovai, 2013/09/26 17:09:10]

I don’t think you need these here. These classes don’t need to be exposed beyond
the .mm file now. You can just move them into an anonymous namespace in the .mm
file.

[mcasas, 2013/09/30 17:53:50]

Done.

+  class AVFoundationMonitorImpl;
+
   DISALLOW_COPY_AND_ASSIGN(DeviceMonitorMac);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVICE_MONITOR_MAC_H_