Add touch events to the protocol, the stub layer, and to the client plugin.

remoting/protocol/client_event_dispatcher.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_PROTOCOL_CLIENT_EVENT_DISPATCHER_H_
 #define REMOTING_PROTOCOL_CLIENT_EVENT_DISPATCHER_H_
 
 #include "base/memory/ref_counted.h"
 #include "remoting/protocol/channel_dispatcher_base.h"
 #include "remoting/protocol/input_stub.h"
 
 namespace remoting {
 namespace protocol {
 
 // ClientEventDispatcher manages the event channel on the client
 // side. It implements InputStub for outgoing input messages.
 class ClientEventDispatcher : public ChannelDispatcherBase, public InputStub {
  public:
   ClientEventDispatcher();
   ~ClientEventDispatcher() override;
 
   // InputStub implementation.
   void InjectKeyEvent(const KeyEvent& event) override;
   void InjectTextEvent(const TextEvent& event) override;
   void InjectMouseEvent(const MouseEvent& event) override;
+  void InjectTouchEvent(const TouchEvent& event) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ClientEventDispatcher);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_CLIENT_EVENT_DISPATCHER_H_