[Cross-Site Isolation] Migrate entire MediaStream verticals to be per-RenderFrame.

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"
-#include "content/public/renderer/render_view_observer_tracker.h"
-#include "content/public/renderer/render_view_observer.h"
 
 namespace content {
-class RenderViewImpl;
+class MediaStreamDispatcher;
 
 class PepperMediaDeviceManager
     : public MediaStreamDispatcherEventHandler,
       public PepperDeviceEnumerationHostHelper::Delegate,
-      public RenderViewObserver,
-      public RenderViewObserverTracker<PepperMediaDeviceManager>,
+      public RenderFrameObserver,
+      public RenderFrameObserverTracker<PepperMediaDeviceManager>,
       public base::SupportsWeakPtr<PepperMediaDeviceManager> {
  public:
-  static PepperMediaDeviceManager* GetForRenderView(RenderView* render_view);
+  static 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 34 matching lines @@
   virtual void OnDeviceOpened(int request_id,
                               const std::string& label,
                               const StreamDeviceInfo& device_info) OVERRIDE;
   virtual void OnDeviceOpenFailed(int request_id) OVERRIDE;
 
   // Stream type conversion.
   static MediaStreamType FromPepperDeviceType(PP_DeviceType_Dev type);
   static PP_DeviceType_Dev FromMediaStreamType(MediaStreamType type);
 
  private:
-  PepperMediaDeviceManager(RenderView* render_view);
+  explicit PepperMediaDeviceManager(RenderFrame* render_frame);
+
+  // Called by StopEnumerateDevices() after returing to the event loop, to avoid
+  // a reentrancy problem.
+  void StopEnumerateDevicesDelayed(int request_id);
 
   void NotifyDeviceOpened(int request_id,
                           bool succeeded,
                           const std::string& label);
 
-  RenderViewImpl* GetRenderViewImpl();
+
+  MediaStreamDispatcher* GetMediaStreamDispatcher() const;
 
   int next_id_;
 
   typedef std::map<int, EnumerateDevicesCallback> EnumerateCallbackMap;
   EnumerateCallbackMap enumerate_callbacks_;
 
   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_