Cleanup: Remove forward declarations in ui, part 2.

ui/gfx/native_widget_types.h

 // Copyright (c) 2011 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_GFX_NATIVE_WIDGET_TYPES_H_
 #define UI_GFX_NATIVE_WIDGET_TYPES_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "ui/base/ui_export.h"
@@ skipping 58 matching lines @@
 typedef struct _PangoFontDescription PangoFontDescription;
 typedef struct _cairo cairo_t;
 #endif
 
 #if defined(USE_WAYLAND)
 typedef struct _GdkPixbuf GdkPixbuf;
 struct wl_egl_window;
 
 namespace ui {
 class WaylandWindow;
-class WaylandCursor;
 }
 
 typedef struct _GdkRegion GdkRegion;
 #elif defined(TOOLKIT_USES_GTK)
 typedef struct _GdkCursor GdkCursor;
 typedef union _GdkEvent GdkEvent;
 typedef struct _GdkPixbuf GdkPixbuf;
 typedef struct _GdkRegion GdkRegion;
 typedef struct _GtkWidget GtkWidget;
 typedef struct _GtkWindow GtkWindow;
@@ skipping 163 matching lines @@
 typedef unsigned long AcceleratedWidget;
 const AcceleratedWidget kNullAcceleratedWidget = 0;
 #else
 typedef void* AcceleratedWidget;
 const AcceleratedWidget kNullAcceleratedWidget = NULL;
 #endif
 
 }  // namespace gfx
 
 #endif  // UI_GFX_NATIVE_WIDGET_TYPES_H_