Move touch CTM from X into Chrome

ash/display/display_controller.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 ASH_DISPLAY_DISPLAY_CONTROLLER_H_
 #define ASH_DISPLAY_DISPLAY_CONTROLLER_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 156 matching lines @@
 
   // Creates a WindowTreeHost for |display| and stores it in the |root_windows_|
   // map.
   aura::WindowTreeHost* AddWindowTreeHostForDisplay(
       const gfx::Display& display);
 
   void OnFadeOutForSwapDisplayFinished();
 
   void UpdateHostWindowNames();
 
+  // Updates the TouchCTM for touch device and pushes the new TouchCTM into
+  // device manager.
+  void UpdateTouchCTM();
+
   class DisplayChangeLimiter {
    public:
     DisplayChangeLimiter();
 
     // Sets how long the throttling should last.
     void SetThrottleTimeout(int64 throttle_ms);
 
     bool IsThrottled() const;
 
    private:
@@ skipping 27 matching lines @@
   // restore the cursor location when display configuration
   // changed.
   gfx::Point cursor_location_in_native_coords_for_restore_;
 
   DISALLOW_COPY_AND_ASSIGN(DisplayController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_DISPLAY_CONTROLLER_H_