Ties RenderFrameImpl VIDEO_HOLE observer to lifetime of RenderWidget.

content/renderer/render_frame_impl.h

 // Copyright 2013 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_RENDER_FRAME_IMPL_H_
 #define CONTENT_RENDERER_RENDER_FRAME_IMPL_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 620 matching lines @@
   RendererMediaPlayerManager* media_player_manager_;
 #endif
 
 #if defined(ENABLE_BROWSER_CDMS)
   // Manage all CDMs in this render frame for communicating with the real CDM in
   // the browser process. It's okay to use a raw pointer since it's a
   // RenderFrameObserver.
   RendererCdmManager* cdm_manager_;
 #endif
 
+#if defined(VIDEO_HOLE)
+  // Whether or not this RenderFrameImpl contains a media player. Used to
+  // register as an observer for video-hole-specific events.
+  bool contains_media_player_;
+#endif
+
   // The geolocation dispatcher attached to this frame, lazily initialized.
   GeolocationDispatcher* geolocation_dispatcher_;
 
   // The push messaging dispatcher attached to this frame, lazily initialized.
   PushMessagingDispatcher* push_messaging_dispatcher_;
 
   ServiceRegistryImpl service_registry_;
 
   // The screen orientation dispatcher attached to the frame, lazily
   // initialized.
   ScreenOrientationDispatcher* screen_orientation_dispatcher_;
 
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_FRAME_IMPL_H_