Move code that doesn't depend on PPAPI out of remoting/client/plugin

remoting/client/touch_input_scaler.h

 // Copyright 2015 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_TOUCH_INPUT_SCALER_H_
-#define REMOTING_CLIENT_PLUGIN_TOUCH_INPUT_SCALER_H_
+#ifndef REMOTING_CLIENT_TOUCH_INPUT_SCALER_H_
+#define REMOTING_CLIENT_TOUCH_INPUT_SCALER_H_
 
 #include "remoting/protocol/input_filter.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
 
 namespace remoting {
 
 namespace protocol {
 class TouchEvent;
 }  // namespace protocol
 
@@ skipping 21 matching lines @@
   // Sizes for scaling and clamping coordinates and sizes.
   // These hold the max-X,Y coordinates and not the actual width and height.
   webrtc::DesktopSize input_size_;
   webrtc::DesktopSize output_size_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchInputScaler);
 };
 
 }  // namespace remoting
 
-#endif  // REMOTING_CLIENT_PLUGIN_TOUCH_INPUT_SCALER_H_
+#endif  // REMOTING_CLIENT_TOUCH_INPUT_SCALER_H_