Remove custom style building functions for 'clip'.

Source/core/rendering/style/StyleVisualData.h

Index: Source/core/rendering/style/StyleVisualData.h
diff --git a/Source/core/rendering/style/StyleVisualData.h b/Source/core/rendering/style/StyleVisualData.h
index 6e3b4aa66e5ac3b35f4a2080ea0a36df589575c4..006f1b9a8ac7416e64621f7ef7e26e8a3156ecfb 100644
--- a/Source/core/rendering/style/StyleVisualData.h
+++ b/Source/core/rendering/style/StyleVisualData.h
@@ -41,14 +41,14 @@ public:
     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;