Move touch CTM from X into Chrome

ash/host/ash_window_tree_host.h

 // Copyright 2014 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_HOST_ASH_WINDOW_TREE_HOST_H_
 #define ASH_HOST_ASH_WINDOW_TREE_HOST_H_
 
 #include "ash/ash_export.h"
 #include "base/memory/scoped_ptr.h"
 
@@ skipping 24 matching lines @@
   // currently, we do not have such functionality in X. So we just confine
   // to the root window. This is ok because this option is currently only
   // being used in fullscreen mode, so root_window bounds = window bounds.
   virtual bool ConfineCursorToRootWindow() = 0;
   virtual void UnConfineCursor() = 0;
 
   virtual void SetRootWindowTransformer(
       scoped_ptr<RootWindowTransformer> transformer) = 0;
 
   virtual aura::WindowTreeHost* AsWindowTreeHost() = 0;
+
+  virtual void UpdateDisplayID(int64 id1, int64 id2) = 0;
 };
 
 }  // namespace ash
 
 #endif  // ASH_HOST_ASH_WINDOW_TREE_HOST_H_