Remove custom style building functions for 'clip'.

Source/core/rendering/style/StyleVisualData.cpp

Index: Source/core/rendering/style/StyleVisualData.cpp
diff --git a/Source/core/rendering/style/StyleVisualData.cpp b/Source/core/rendering/style/StyleVisualData.cpp
index 53ce659cddf785bdd62d867e84096e1d3c36d500..e1f87a587ea08961b9326fdc2695cc52038d88a8 100644
--- a/Source/core/rendering/style/StyleVisualData.cpp
+++ b/Source/core/rendering/style/StyleVisualData.cpp
@@ -27,7 +27,7 @@
 namespace blink {
 
 StyleVisualData::StyleVisualData()
-    : hasClip(false)
+    : hasAutoClip(true)
     , textDecoration(RenderStyle::initialTextDecoration())
     , m_zoom(RenderStyle::initialZoom())
 {
@@ -40,7 +40,7 @@ StyleVisualData::~StyleVisualData()
 StyleVisualData::StyleVisualData(const StyleVisualData& o)
     : RefCounted<StyleVisualData>()
     , clip(o.clip)
-    , hasClip(o.hasClip)
+    , hasAutoClip(o.hasAutoClip)
     , textDecoration(o.textDecoration)
     , m_zoom(RenderStyle::initialZoom())
 {