Rework ash::CursorManager into a corewm object, to share code with desktop.

ui/views/widget/desktop_aura/desktop_cursor_client.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_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_CURSOR_CLIENT_H_
 #define UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_CURSOR_CLIENT_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/aura/client/cursor_client.h"
+#include "ui/views/corewm/cursor_controller.h"
 #include "ui/views/views_export.h"
 
 namespace aura {
 class RootWindow;
 }
 
 namespace ui {
 class CursorLoader;
 }
 
 namespace views {
 
 // A CursorClient that interacts with only one RootWindow. (Unlike the one in
 // ash, which interacts with all the RootWindows.)
-class VIEWS_EXPORT DesktopCursorClient : public aura::client::CursorClient {
+class VIEWS_EXPORT DesktopCursorClient
+    : public views::corewm::CursorController {
  public:
   explicit DesktopCursorClient(aura::RootWindow* window);
   virtual ~DesktopCursorClient();
 
   // Overridden from client::CursorClient:
-  virtual void SetCursor(gfx::NativeCursor cursor) OVERRIDE;
-  virtual void ShowCursor() OVERRIDE;
-  virtual void HideCursor() OVERRIDE;
-  virtual bool IsCursorVisible() const OVERRIDE;
-  virtual void EnableMouseEvents() OVERRIDE;
-  virtual void DisableMouseEvents() OVERRIDE;
-  virtual bool IsMouseEventsEnabled() const OVERRIDE;
   virtual void SetDeviceScaleFactor(float device_scale_factor) OVERRIDE;
-  virtual void LockCursor() OVERRIDE;
-  virtual void UnlockCursor() OVERRIDE;
 
  private:
-  void SetCursorVisibility(bool visible);
+  // Overridden from views::corewm::CursorController:
+  virtual void SetCursorInternal(gfx::NativeCursor cursor) OVERRIDE;
+  virtual void SetCursorVisibility(bool visible) OVERRIDE;
+  virtual void SetMouseEventsEnabled(bool enabled) OVERRIDE;
 
   aura::RootWindow* root_window_;
   scoped_ptr<ui::CursorLoader> cursor_loader_;
 
-  gfx::NativeCursor current_cursor_;
-  bool cursor_visible_;
-
   DISALLOW_COPY_AND_ASSIGN(DesktopCursorClient);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_AURA_DESKTOP_CURSOR_CLIENT_H_