[Chromoting] Add a filter that will stop the host sending unnecessary clipboard events to the clien…

remoting/host/client_session.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_HOST_CLIENT_SESSION_H_
 #define REMOTING_HOST_CLIENT_SESSION_H_
 
 #include <list>
 
 #include "base/time.h"
 #include "base/threading/non_thread_safe.h"
 #include "remoting/host/remote_input_filter.h"
+#include "remoting/protocol/clipboard_duplicate_filter.h"
 #include "remoting/protocol/clipboard_stub.h"
 #include "remoting/protocol/connection_to_client.h"
 #include "remoting/protocol/host_event_stub.h"
 #include "remoting/protocol/host_stub.h"
 #include "remoting/protocol/input_event_tracker.h"
 #include "remoting/protocol/input_filter.h"
 #include "remoting/protocol/input_stub.h"
 #include "remoting/protocol/mouse_input_filter.h"
 #include "third_party/skia/include/core/SkPoint.h"
 
@@ skipping 115 matching lines @@
 
   // Filter used to clamp mouse events to the current display dimensions.
   protocol::MouseInputFilter mouse_input_filter_;
 
   // Filter used to manage enabling & disabling of client input events.
   protocol::InputFilter disable_input_filter_;
 
   // Filter used to disable inputs when we're not authenticated.
   protocol::InputFilter auth_input_filter_;
 
+  // Filter to used to stop duplicate events being sent to the client.
+  protocol::ClipboardDuplicateFilter clipboard_duplicate_filter_;
+
   // Capturer, used to determine current screen size for ensuring injected
   // mouse events fall within the screen area.
   // TODO(lambroslambrou): Move floor-control logic, and clamping to screen
   // area, out of this class (crbug.com/96508).
   Capturer* capturer_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientSession);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CLIENT_SESSION_H_