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

remoting/protocol/input_filter.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_INPUT_FILTER_H_
 #define REMOTING_PROTOCOL_INPUT_FILTER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "remoting/protocol/input_stub.h"
@@ skipping 20 matching lines @@
     enabled_ = enabled;
   }
   bool enabled() const {
     return enabled_;
   }
 
   // InputStub interface.
   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:
   InputStub* input_stub_;
   bool enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(InputFilter);
 };
 
 } // namespace protocol
 } // namespace remoting
 
 #endif // REMOTING_PROTOCOL_INPUT_FILTER_H_