Add VideoProcessor interface.

remoting/client/frame_consumer.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 REMOTING_CLIENT_FRAME_CONSUMER_H_
 #define REMOTING_CLIENT_FRAME_CONSUMER_H_
 
 #include "base/basictypes.h"
 
 namespace webrtc {
@@ skipping 19 matching lines @@
   // relative position within the frame are specified by |clip_area|. Only
   // pixels falling within |region| and the current clipping area are painted.
   // The function assumes that the passed buffer was scaled to fit a window
   // having |view_size| dimensions.
   //
   // N.B. Both |clip_area| and |region| are in output coordinates relative to
   // the frame.
   virtual void ApplyBuffer(const webrtc::DesktopSize& view_size,
                            const webrtc::DesktopRect& clip_area,
                            webrtc::DesktopFrame* buffer,
-                           const webrtc::DesktopRegion& region) = 0;
+                           const webrtc::DesktopRegion& region,
+                           const webrtc::DesktopRegion& shape) = 0;
 
   // Accepts a buffer that couldn't be used for drawing for any reason (shutdown
   // is in progress, the view area has changed, etc.). The accepted buffer can
   // be freed or reused for another drawing operation.
   virtual void ReturnBuffer(webrtc::DesktopFrame* buffer) = 0;
 
   // Set the dimension of the entire host screen.
   virtual void SetSourceSize(const webrtc::DesktopSize& source_size,
                              const webrtc::DesktopVector& dpi) = 0;
 
   // Returns the preferred pixel encoding for the platform.
   virtual PixelFormat GetPixelFormat() = 0;
 
  protected:
   FrameConsumer() {}
   virtual ~FrameConsumer() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FrameConsumer);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_FRAME_CONSUMER_H_