Disable touch calibration on external touchscreen.

ui/aura/root_window_host_linux.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 UI_AURA_ROOT_WINDOW_HOST_LINUX_H_
 #define UI_AURA_ROOT_WINDOW_HOST_LINUX_H_
 
 #include <X11/Xlib.h>
 
 #include <vector>
@@ skipping 10 matching lines @@
 #include "ui/gfx/insets.h"
 #include "ui/gfx/rect.h"
 
 namespace ui {
 class MouseEvent;
 }
 
 namespace aura {
 
 namespace internal {
-class TouchEventCalibrate;
+class TouchEventRouter;
 }
 
 class RootWindowHostLinux : public RootWindowHost,
                             public MessageLoop::Dispatcher,
                             public EnvObserver {
  public:
   explicit RootWindowHostLinux(const gfx::Rect& bounds);
   virtual ~RootWindowHostLinux();
 
   // Overridden from Dispatcher overrides:
@@ skipping 88 matching lines @@
   gfx::Rect x_root_bounds_;
 
   // True if the root host resides on the internal display
   bool is_internal_display_;
 
   // True if the window should be focused when the window is shown.
   bool focus_when_shown_;
 
   scoped_ptr<XID[]> pointer_barriers_;
 
-  scoped_ptr<internal::TouchEventCalibrate> touch_calibrate_;
+  scoped_ptr<internal::TouchEventRouter> touch_router_;
 
   scoped_ptr<MouseMoveFilter> mouse_move_filter_;
 
   ui::X11AtomCache atom_cache_;
 
   DISALLOW_COPY_AND_ASSIGN(RootWindowHostLinux);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_ROOT_WINDOW_HOST_LINUX_H_