Allow TabCapture to capture full screen flash widgets.

content/public/browser/web_contents_observer.h

Index: content/public/browser/web_contents_observer.h
diff --git a/content/public/browser/web_contents_observer.h b/content/public/browser/web_contents_observer.h
index 8ace415afe3a30bd5a16b37877802cb9efe1b775..39951acb536e9250d87c5bdbbea522b7a3ba2fc4 100644
--- a/content/public/browser/web_contents_observer.h
+++ b/content/public/browser/web_contents_observer.h
@@ -152,6 +152,11 @@ class CONTENT_EXPORT WebContentsObserver : public IPC::Listener,
   virtual void DidUpdateFaviconURL(int32 page_id,
                                    const std::vector<FaviconURL>& candidates) {}
 
+  // Invoked when a plugin like PepperFlash creates and shows or destroys a

[jam, 2013/01/23 21:22:50]

nit: don't mention PepperFlash directly, but just say pepper plugin

[justinlin, 2013/01/23 22:20:10]

Done.

+  // a fullscreen render widget.
+  virtual void DidShowFullscreenWidget(int routing_id) {}
+  virtual void DidDestroyFullscreenWidget(int routing_id) {}
+
   // IPC::Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;