Set scale/orientation property to aura root window

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 48 matching lines @@
   virtual void SetFocusWhenShown(bool focus_when_shown) OVERRIDE;
   virtual bool CopyAreaToSkCanvas(const gfx::Rect& source_bounds,
                                   const gfx::Point& dest_offset,
                                   SkCanvas* canvas) OVERRIDE;
   virtual bool GrabSnapshot(
       const gfx::Rect& snapshot_bounds,
       std::vector<unsigned char>* png_representation) OVERRIDE;
   virtual void PostNativeEvent(const base::NativeEvent& event) OVERRIDE;
   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE;
   virtual void PrepareForShutdown() OVERRIDE;
+  virtual void SetHostWindowProperty(const std::string& name,
+                                     int value) OVERRIDE;
 
  private:
   class MouseMoveFilter;
 
   bool DispatchEventForRootWindow(const base::NativeEvent& event);
 
   // Dispatches XI2 events. Note that some events targetted for the X root
   // window are dispatched to the aura root window (e.g. touch events after
   // calibration).
   void DispatchXI2Event(const base::NativeEvent& event);
@@ skipping 46 matching lines @@
   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_