x11: Listen for and process XInput2 events.

ui/platform_window/x11/x11_window.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 UI_PLATFORM_WINDOW_X11_X11_WINDOW_H_
 #define UI_PLATFORM_WINDOW_X11_X11_WINDOW_H_
 
 #include "ui/events/platform/platform_event_dispatcher.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/x/x11_atom_cache.h"
 #include "ui/platform_window/platform_window.h"
 #include "ui/platform_window/platform_window_delegate.h"
 #include "ui/platform_window/x11/x11_window_export.h"
 
 typedef struct _XDisplay XDisplay;
 typedef unsigned long XID;
 
 namespace ui {
 
 class X11_WINDOW_EXPORT X11Window : public PlatformWindow,
                                     public PlatformEventDispatcher {
  public:
   explicit X11Window(PlatformWindowDelegate* delegate);
   virtual ~X11Window();
 
  private:
   void Destroy();
 
+  void ProcessXInput2Event(XEvent* xevent);
+
   // PlatformWindow:
   virtual void Show() OVERRIDE;
   virtual void Hide() OVERRIDE;
   virtual void Close() OVERRIDE;
   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
   virtual gfx::Rect GetBounds() OVERRIDE;
   virtual void SetCapture() OVERRIDE;
   virtual void ReleaseCapture() OVERRIDE;
   virtual void ToggleFullscreen() OVERRIDE;
   virtual void Maximize() OVERRIDE;
@@ skipping 18 matching lines @@
   gfx::Rect confirmed_bounds_;
 
   bool window_mapped_;
 
   DISALLOW_COPY_AND_ASSIGN(X11Window);
 };
 
 }  // namespace ui
 
 #endif  // UI_PLATFORM_WINDOW_X11_X11_WINDOW_H_