aura: Add X11 host window management.

ui/aura/root_window_host.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_H_
 #define UI_AURA_ROOT_WINDOW_HOST_H_
 
 #include <vector>
 
 #include "base/message_loop.h"
@@ skipping 30 matching lines @@
       gfx::AcceleratedWidget accelerated_widget);
 
   // Sets the RootWindow this RootWindowHost is hosting. RootWindowHost does not
   // own the RootWindow.
   virtual void SetRootWindow(RootWindow* root_window) = 0;
   virtual RootWindow* GetRootWindow() = 0;
 
   // Returns the accelerated widget.
   virtual gfx::AcceleratedWidget GetAcceleratedWidget() = 0;
 
+  // Returns the accelerated widget used for event processing.
+  virtual gfx::AcceleratedWidget GetAcceleratedWidgetUsedForEvents() = 0;
+
   // Shows the RootWindowHost.
   virtual void Show() = 0;
 
   // Toggles the host's full screen state.
   virtual void ToggleFullScreen() = 0;
 
   // Gets/Sets the size of the RootWindowHost.
   virtual gfx::Rect GetBounds() const = 0;
   virtual void SetBounds(const gfx::Rect& bounds) = 0;
 
@@ skipping 30 matching lines @@
 
   // Grabs the snapshot of the root window by using the platform-dependent APIs.
   // The bounds need to be in physical pixels.
   virtual bool GrabSnapshot(
       const gfx::Rect& snapshot_bounds,
       std::vector<unsigned char>* png_representation) = 0;
 
   // Posts |native_event| to the platform's event queue.
 #if !defined(OS_MACOSX)
   virtual void PostNativeEvent(const base::NativeEvent& native_event) = 0;
+  virtual bool DispatchNativeEvent(const base::NativeEvent& native_event) = 0;
 #endif
 
   // Called when the device scale factor of the root window has chagned.
   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) = 0;
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_ROOT_WINDOW_HOST_H_