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

remoting/client/plugin/chromoting_instance.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_PLUGIN_CHROMOTING_INSTANCE_H_
 #define REMOTING_CLIENT_PLUGIN_CHROMOTING_INSTANCE_H_
 
 #include <string>
 
 #include "base/gtest_prod_util.h"
@@ skipping 113 matching lines @@
   void InjectClipboardEvent(const protocol::ClipboardEvent& event) override;
 
   // protocol::CursorShapeStub interface.
   void SetCursorShape(const protocol::CursorShapeInfo& cursor_shape) override;
 
   // PepperVideoRenderer::EventHandler interface.
   void OnVideoDecodeError() override;
   void OnVideoFirstFrameReceived() override;
   void OnVideoSize(const webrtc::DesktopSize& size,
                       const webrtc::DesktopVector& dpi) override;
-  void OnVideoShape(const webrtc::DesktopRegion& shape) override;
+  void OnVideoShape(const webrtc::DesktopRegion* shape) override;
   void OnVideoFrameDirtyRegion(
       const webrtc::DesktopRegion& dirty_region) override;
 
   // Registers a global log message handler that redirects the log output to
   // our plugin instance.
   // This is called by the plugin's PPP_InitializeModule.
   // Note that no logging will be processed unless a ChromotingInstance has been
   // registered for logging (see RegisterLoggingInstance).
   static void RegisterLogMessageHandler();
 
@@ skipping 136 matching lines @@
 
   // Weak reference to this instance, used for global logging and task posting.
   base::WeakPtrFactory<ChromotingInstance> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingInstance);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_PLUGIN_CHROMOTING_INSTANCE_H_