Remove custom style building functions for 'clip'.

Source/core/rendering/style/StyleVisualData.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 23 matching lines @@
 
 class StyleVisualData : public RefCounted<StyleVisualData> {
 public:
     static PassRefPtr<StyleVisualData> create() { return adoptRef(new StyleVisualData); }
     PassRefPtr<StyleVisualData> copy() const { return adoptRef(new StyleVisualData(*this)); }
     ~StyleVisualData();
 
     bool operator==(const StyleVisualData& o) const
     {
         return clip == o.clip
-            && hasClip == o.hasClip
+            && hasAutoClip == o.hasAutoClip
             && textDecoration == o.textDecoration
             && m_zoom == o.m_zoom;
     }
     bool operator!=(const StyleVisualData& o) const { return !(*this == o); }
 
     LengthBox clip;
-    bool hasClip : 1;
+    bool hasAutoClip : 1;
     unsigned textDecoration : TextDecorationBits; // Text decorations defined *only* by this element.
 
     float m_zoom;
 
 private:
     StyleVisualData();
     StyleVisualData(const StyleVisualData&);
 };
 
 } // namespace blink
 
 #endif // StyleVisualData_h