Consolidate how ImageDocument sets image styling

third_party/WebKit/Source/core/html/ImageDocument.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 69 matching lines @@
   // Whether the image is shrunk to fit or not
   bool m_didShrinkImage;
 
   // Whether the image should be shrunk or not
   bool m_shouldShrinkImage;
 
   // Whether the image has finished loading or not
   bool m_imageIsLoaded;
 
   // Size of the checkerboard background tiles
-  int m_checkerSize;
+  int m_styleCheckerSize;
+
+  // Desktop: State of the mouse cursor in the image style
+  enum MouseCursorMode { Default, ZoomIn, ZoomOut };
+  MouseCursorMode m_styleMouseCursorMode;
 
   enum ShrinkToFitMode { Viewport, Desktop };
   ShrinkToFitMode m_shrinkToFitMode;
 };
 
 DEFINE_DOCUMENT_TYPE_CASTS(ImageDocument);
 
 }  // namespace blink
 
 #endif  // ImageDocument_h