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

remoting/client/jni/jni_frame_consumer.cc

 // 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.
 
 #include "remoting/client/jni/jni_frame_consumer.h"
 
 #include "base/android/jni_android.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/synchronization/waitable_event.h"
@@ skipping 28 matching lines @@
 }
 
 void JniFrameConsumer::set_frame_producer(FrameProducer* producer) {
   frame_producer_ = producer;
 }
 
 void JniFrameConsumer::ApplyBuffer(const webrtc::DesktopSize& view_size,
                                    const webrtc::DesktopRect& clip_area,
                                    webrtc::DesktopFrame* buffer,
                                    const webrtc::DesktopRegion& region,
-                                   const webrtc::DesktopRegion& shape) {
+                                   const webrtc::DesktopRegion* shape) {
   DCHECK(jni_runtime_->display_task_runner()->BelongsToCurrentThread());
+  DCHECK(!shape);
 
   if (bitmap_->size().width() != buffer->size().width() ||
       bitmap_->size().height() != buffer->size().height()) {
     // Drop the frame, since the data belongs to the previous generation,
     // before SetSourceSize() called SetOutputSizeAndClip().
     FreeBuffer(buffer);
     return;
   }
 
   // Copy pixels from |buffer| into the Java Bitmap.
@@ skipping 64 matching lines @@
 }
 
 void JniFrameConsumer::FreeBuffer(webrtc::DesktopFrame* buffer) {
   DCHECK(std::find(buffers_.begin(), buffers_.end(), buffer) != buffers_.end());
 
   buffers_.remove(buffer);
   delete buffer;
 }
 
 }  // namespace remoting