Implement cursor compositing mode on Ash

ash/display/display_controller.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 ASH_DISPLAY_DISPLAY_CONTROLLER_H_
 #define ASH_DISPLAY_DISPLAY_CONTROLLER_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 20 matching lines @@
 template <typename T> class JSONValueConverter;
 }
 
 namespace gfx {
 class Display;
 class Insets;
 }
 
 namespace ash {
 namespace internal {
+class CursorWindowController;
 class DisplayInfo;
 class DisplayManager;
 class FocusActivationStore;
 class MirrorWindowController;
 class RootWindowController;
 class VirtualKeyboardWindowController;
 }
 
 // DisplayController owns and maintains RootWindows for each attached
 // display, keeping them in sync with display configuration changes.
@@ skipping 18 matching lines @@
   DisplayController();
   virtual ~DisplayController();
 
   void Start();
   void Shutdown();
 
   // Returns primary display's ID.
   // TODO(oshima): Move this out from DisplayController;
   static int64 GetPrimaryDisplayId();
 
+  internal::CursorWindowController* cursor_window_controller() {
+    return cursor_window_controller_.get();
+  }
+
   internal::MirrorWindowController* mirror_window_controller() {
     return mirror_window_controller_.get();
   }
 
   internal::VirtualKeyboardWindowController*
       virtual_keyboard_window_controller() {
     return virtual_keyboard_window_controller_.get();
   }
 
   // Initializes primary display.
@@ skipping 103 matching lines @@
   std::map<int64, aura::Window*> root_windows_;
 
   ObserverList<Observer> observers_;
 
   // Store the primary root window temporarily while replacing
   // display.
   aura::Window* primary_root_window_for_replace_;
 
   scoped_ptr<internal::FocusActivationStore> focus_activation_store_;
 
+  scoped_ptr<internal::CursorWindowController> cursor_window_controller_;
   scoped_ptr<internal::MirrorWindowController> mirror_window_controller_;
   scoped_ptr<internal::VirtualKeyboardWindowController>
       virtual_keyboard_window_controller_;
 
   // Stores the curent cursor location (in native coordinates) used to
   // restore the cursor location when display configuration
   // changed.
   gfx::Point cursor_location_in_native_coords_for_restore_;
 
   DISALLOW_COPY_AND_ASSIGN(DisplayController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_DISPLAY_CONTROLLER_H_