Allow shaped-desktop hosts to send shape only when it changes.

remoting/client/jni/jni_frame_consumer.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 REMOTING_CLIENT_JNI_JNI_FRAME_CONSUMER_H_
 #define REMOTING_CLIENT_JNI_JNI_FRAME_CONSUMER_H_
 
 #include <list>
 
 #include "base/android/scoped_java_ref.h"
@@ skipping 26 matching lines @@
   ~JniFrameConsumer() override;
 
   // This must be called once before the producer's source size is set.
   void set_frame_producer(FrameProducer* producer);
 
   // FrameConsumer implementation.
   void ApplyBuffer(const webrtc::DesktopSize& view_size,
                    const webrtc::DesktopRect& clip_area,
                    webrtc::DesktopFrame* buffer,
                    const webrtc::DesktopRegion& region,
-                   const webrtc::DesktopRegion& shape) override;
+                   const webrtc::DesktopRegion* shape) override;
   void ReturnBuffer(webrtc::DesktopFrame* buffer) override;
   void SetSourceSize(const webrtc::DesktopSize& source_size,
                      const webrtc::DesktopVector& dpi) override;
   PixelFormat GetPixelFormat() override;
 
  private:
   // Allocates a new buffer of |source_size|, informs Java about it, and tells
   // the producer to draw onto it.
   void AllocateBuffer(const webrtc::DesktopSize& source_size);
 
@@ skipping 23 matching lines @@
   // Reference to the frame bitmap that is passed to Java when the frame is
   // allocated. This provides easy access to the underlying pixels.
   scoped_ptr<gfx::JavaBitmap> bitmap_;
 
   DISALLOW_COPY_AND_ASSIGN(JniFrameConsumer);
 };
 
 }  // namespace remoting
 
 #endif