Make RendererMediaPlayerManager a RenderFrameObserver.

content/renderer/render_widget.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_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <deque>
 #include <map>
 
@@ skipping 94 matching lines @@
   ui::MenuSourceType context_menu_source_type() {
     return context_menu_source_type_; }
   gfx::Point touch_editing_context_menu_location() {
     return touch_editing_context_menu_location_;
   }
 
   // Functions to track out-of-process frames for special notifications.
   void RegisterSwappedOutChildFrame(RenderFrameImpl* frame);
   void UnregisterSwappedOutChildFrame(RenderFrameImpl* frame);
 
+#if defined(VIDEO_HOLE)
+  void RegisterVideoHoleFrame(RenderFrameImpl* frame);
+  void UnregisterVideoHoleFrame(RenderFrameImpl* frame);
+#endif  // defined(VIDEO_HOLE)
+
   // IPC::Listener
   virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
 
   // IPC::Sender
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // blink::WebWidgetClient
   virtual void suppressCompositorScheduling(bool enable);
   virtual void willBeginCompositorFrame();
   virtual void didAutoResize(const blink::WebSize& new_size);
@@ skipping 557 matching lines @@
   scoped_ptr<ScreenMetricsEmulator> screen_metrics_emulator_;
 
   // Popups may be displaced when screen metrics emulation is enabled.
   // These values are used to properly adjust popup position.
   gfx::Point popup_view_origin_for_emulation_;
   gfx::Point popup_screen_origin_for_emulation_;
   float popup_origin_scale_for_emulation_;
 
   scoped_ptr<ResizingModeSelector> resizing_mode_selector_;
 
-  // A list of swapped out RenderFrames that need to be notified
+  // Lists of swapped out RenderFrames that need to be notified
   // of compositing-related events (e.g. DidCommitCompositorFrame).
   ObserverList<RenderFrameImpl> swapped_out_frames_;
+#if defined(VIDEO_HOLE)
+  ObserverList<RenderFrameImpl> video_hole_frames_;
+#endif  // defined(VIDEO_HOLE)
 
   ui::MenuSourceType context_menu_source_type_;
   gfx::Point touch_editing_context_menu_location_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_