Change ui cursor identifiers to an enum class.

ui/ozone/public/cursor_factory_ozone.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_OZONE_PUBLIC_CURSOR_FACTORY_OZONE_H_
 #define UI_OZONE_PUBLIC_CURSOR_FACTORY_OZONE_H_
 
 #include <vector>
 
 #include "ui/gfx/native_widget_types.h"
@@ skipping 11 matching lines @@
  public:
   CursorFactoryOzone();
   virtual ~CursorFactoryOzone();
 
   // Returns the singleton instance.
   static CursorFactoryOzone* GetInstance();
 
   // Return the default cursor of the specified type. The types are listed in
   // ui/base/cursor/cursor.h. Default cursors are managed by the implementation
   // and must live indefinitely; there's no way to know when to free them.
-  virtual PlatformCursor GetDefaultCursor(int type);
+  virtual PlatformCursor GetDefaultCursor(CursorType type);
 
   // Return a image cursor from the specified image & hotspot. Image cursors
   // are referenced counted and have an initial refcount of 1. Therefore, each
   // CreateImageCursor call must be matched with a call to UnrefImageCursor.
   virtual PlatformCursor CreateImageCursor(const SkBitmap& bitmap,
                                            const gfx::Point& hotspot,
                                            float bitmap_dpi);
 
   // Return a animated cursor from the specified image & hotspot. Animated
   // cursors are referenced counted and have an initial refcount of 1.
@@ skipping 11 matching lines @@
   // Decrement platform image cursor refcount.
   virtual void UnrefImageCursor(PlatformCursor cursor);
 
  private:
   static CursorFactoryOzone* impl_;  // not owned
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PUBLIC_CURSOR_FACTORY_OZONE_H_