Add VideoCaptureImpl

content/renderer/video_capture_message_filter.h

Index: content/renderer/video_capture_message_filter.h
===================================================================
--- content/renderer/video_capture_message_filter.h	(revision 85463)
+++ content/renderer/video_capture_message_filter.h	(working copy)
@@ -48,10 +48,12 @@
   void RemoveDelegate(Delegate* delegate);
 
   // Send a message asynchronously.
-  bool Send(IPC::Message* message);
+  virtual bool Send(IPC::Message* message);

[jam, 2011/05/24 19:15:41]

why virtual? it's not part of MessageFilter

[wjia(left Chromium), 2011/05/24 20:47:15]

It's overridden in MockVideoCaptureMessageFilter which is used in
VideoCaptureImpl unit test. 

 
   void AddFilter();
 
+  virtual bool ReadyToSend();

[jam, 2011/05/24 19:15:41]

documentation?

[wjia(left Chromium), 2011/05/24 20:47:15]

Done.

+
  private:
   FRIEND_TEST_ALL_PREFIXES(VideoCaptureMessageFilterTest, Basic);
   FRIEND_TEST_ALL_PREFIXES(VideoCaptureMessageFilterTest, Delegates);