Pepper: Access PepperMediaDeviceManager through a WeakPtr

content/renderer/pepper/pepper_media_device_manager.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_RENDERER_PEPPER_PEPPER_MEDIA_DEVICE_MANAGER_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_MEDIA_DEVICE_MANAGER_H_
 
 #include <map>
 
 #include "base/memory/weak_ptr.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "content/public/renderer/render_frame_observer_tracker.h"
 #include "content/renderer/media/media_stream_dispatcher_eventhandler.h"
 #include "content/renderer/pepper/pepper_device_enumeration_host_helper.h"
 
 namespace content {
 class MediaStreamDispatcher;
 
 class PepperMediaDeviceManager
     : public MediaStreamDispatcherEventHandler,
       public PepperDeviceEnumerationHostHelper::Delegate,
       public RenderFrameObserver,
       public RenderFrameObserverTracker<PepperMediaDeviceManager>,
       public base::SupportsWeakPtr<PepperMediaDeviceManager> {
  public:
-  static PepperMediaDeviceManager* GetForRenderFrame(RenderFrame* render_frame);
+  static base::WeakPtr<PepperMediaDeviceManager> GetForRenderFrame(
+      RenderFrame* render_frame);
   virtual ~PepperMediaDeviceManager();
 
   // PepperDeviceEnumerationHostHelper::Delegate implementation:
   virtual int EnumerateDevices(PP_DeviceType_Dev type,
                                const GURL& document_url,
                                const EnumerateDevicesCallback& callback)
       override;
   virtual void StopEnumerateDevices(int request_id) override;
 
   typedef base::Callback<void(int /* request_id */,
@@ skipping 61 matching lines @@
 
   typedef std::map<int, OpenDeviceCallback> OpenCallbackMap;
   OpenCallbackMap open_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperMediaDeviceManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_MEDIA_DEVICE_MANAGER_H_