Makes native_widget_types forward declare ui::Cursor.

webkit/common/cursors/webcursor.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 WEBKIT_COMMON_CURSORS_WEBCURSOR_H_
 #define WEBKIT_COMMON_CURSORS_WEBCURSOR_H_
 
 #include "base/basictypes.h"
 #include "third_party/WebKit/public/web/WebCursorInfo.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/point.h"
 #include "ui/gfx/size.h"
 #include "webkit/common/webkit_common_export.h"
 
 #include <vector>
 
+#if defined(USE_AURA)
+#include "ui/base/cursor/cursor.h"
+#endif
+
 #if defined(OS_WIN)
 typedef struct HINSTANCE__* HINSTANCE;
 typedef struct HICON__* HICON;
 typedef HICON HCURSOR;
 #elif defined(TOOLKIT_GTK)
 typedef struct _GdkCursor GdkCursor;
 #elif defined(OS_MACOSX)
 #ifdef __OBJC__
 @class NSCursor;
 #else
@@ skipping 154 matching lines @@
 #elif defined(OS_WIN)
   // A custom cursor created from custom bitmap data by Webkit.
   HCURSOR custom_cursor_;
 #elif defined(TOOLKIT_GTK)
   // A custom cursor created that should be unref'ed from the destructor.
   GdkCursor* unref_;
 #endif
 };
 
 #endif  // WEBKIT_COMMON_CURSORS_WEBCURSOR_H_