app_shell: Add support for mouse cursors.

ash/wm/ash_native_cursor_manager.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_WM_ASH_NATIVE_CURSOR_MANAGER_H_
 #define ASH_WM_ASH_NATIVE_CURSOR_MANAGER_H_
 
 #include "ash/ash_export.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/point.h"
 #include "ui/wm/core/native_cursor_manager.h"
 #include "ui/wm/core/native_cursor_manager_delegate.h"
 
+namespace ui {
+class ImageCursors;
+}
+
 namespace ash {
 
 namespace test {
 class CursorManagerTestApi;
 }
 
-class ImageCursors;
-
 // This does the ash-specific setting of cursor details like cursor
 // visibility. It communicates back with the CursorManager through the
 // NativeCursorManagerDelegate interface, which receives messages about what
 // changes were acted on.
 class ASH_EXPORT AshNativeCursorManager
     : public ::wm::NativeCursorManager {
  public:
   AshNativeCursorManager();
   virtual ~AshNativeCursorManager();
 
@@ skipping 21 matching lines @@
       ::wm::NativeCursorManagerDelegate* delegate) OVERRIDE;
   virtual void SetMouseEventsEnabled(
       bool enabled,
       ::wm::NativeCursorManagerDelegate* delegate) OVERRIDE;
 
   // The cursor location where the cursor was disabled.
   gfx::Point disabled_cursor_location_;
 
   bool native_cursor_enabled_;
 
-  scoped_ptr<ImageCursors> image_cursors_;
+  scoped_ptr<ui::ImageCursors> image_cursors_;
 
   DISALLOW_COPY_AND_ASSIGN(AshNativeCursorManager);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_ASH_NATIVE_CURSOR_MANAGER_H_