ChromeOS: Implement MediaTransferProtocolManager observer.

chrome/browser/chromeos/chrome_browser_main_chromeos.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 CHROME_BROWSER_CHROMEOS_CHROME_BROWSER_MAIN_CHROMEOS_H_
 #define CHROME_BROWSER_CHROMEOS_CHROME_BROWSER_MAIN_CHROMEOS_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chrome_browser_main_linux.h"
 
 namespace chromeos {
 class BrightnessObserver;
 class MediaDeviceNotifications;
 class OutputObserver;
 class PowerButtonObserver;
 class PowerStateOverride;
 class ResumeObserver;
 class ScreenDimmingObserver;
 class ScreenLockObserver;
 class SessionManagerObserver;
 class UserActivityNotifier;
 class VideoActivityNotifier;
+
+namespace mtp {
+class MediaTransferProtocolDeviceObserverCros;
+}  // namespace mtp
+
 }  // namespace chromeos
 
 namespace contacts {
 class ContactManager;
 }  // namespace contacts
 
 class ChromeBrowserMainPartsChromeos : public ChromeBrowserMainPartsLinux {
  public:
   explicit ChromeBrowserMainPartsChromeos(
       const content::MainFunctionParams& parameters);
@@ skipping 14 matching lines @@
   virtual void PostMainMessageLoopRun() OVERRIDE;
 
   virtual void SetupPlatformFieldTrials() OVERRIDE;
 
  private:
   // Set up field trial for low memory headroom settings.
   void SetupLowMemoryHeadroomFieldTrial();
 
   scoped_ptr<contacts::ContactManager> contact_manager_;
   scoped_ptr<chromeos::BrightnessObserver> brightness_observer_;
+  scoped_ptr<chromeos::mtp::MediaTransferProtocolDeviceObserverCros>
+      media_transfer_protocol_device_observer_;
   scoped_ptr<chromeos::OutputObserver> output_observer_;
   scoped_ptr<chromeos::ResumeObserver> resume_observer_;
   scoped_ptr<chromeos::ScreenLockObserver> screen_lock_observer_;
   scoped_ptr<chromeos::PowerButtonObserver> power_button_observer_;
   scoped_ptr<chromeos::PowerStateOverride> power_state_override_;
   scoped_ptr<chromeos::UserActivityNotifier> user_activity_notifier_;
   scoped_ptr<chromeos::VideoActivityNotifier> video_activity_notifier_;
   scoped_ptr<chromeos::ScreenDimmingObserver> screen_dimming_observer_;
   scoped_refptr<chromeos::MediaDeviceNotifications> media_device_notifications_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainPartsChromeos);
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_CHROME_BROWSER_MAIN_CHROMEOS_H_