Generate subgroup StyleSurroundData in ComputedStyle.

third_party/WebKit/Source/core/style/ComputedStyle.cpp

Index: third_party/WebKit/Source/core/style/ComputedStyle.cpp
diff --git a/third_party/WebKit/Source/core/style/ComputedStyle.cpp b/third_party/WebKit/Source/core/style/ComputedStyle.cpp
index 1a56c52aafc5092a7b2c276ec2e3f5b216500b36..c7943404ea6ab894be3df0afb3bc570d162681ce 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.cpp
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.cpp
@@ -121,7 +121,6 @@ ALWAYS_INLINE ComputedStyle::ComputedStyle()
   m_box.init();
   m_visual.init();
   m_background.init();
-  m_surround.init();
   m_rareNonInheritedData.init();
   m_rareNonInheritedData.access()->m_deprecatedFlexibleBox.init();
   m_rareNonInheritedData.access()->m_flexibleBox.init();
@@ -144,7 +143,6 @@ ALWAYS_INLINE ComputedStyle::ComputedStyle(const ComputedStyle& o)
       m_box(o.m_box),
       m_visual(o.m_visual),
       m_background(o.m_background),
-      m_surround(o.m_surround),
       m_rareNonInheritedData(o.m_rareNonInheritedData),
       m_rareInheritedData(o.m_rareInheritedData),
       m_styleInheritedData(o.m_styleInheritedData),
@@ -339,7 +337,6 @@ void ComputedStyle::copyNonInheritedFromCached(const ComputedStyle& other) {
   m_box = other.m_box;
   m_visual = other.m_visual;
   m_background = other.m_background;
-  m_surround = other.m_surround;
   m_rareNonInheritedData = other.m_rareNonInheritedData;
 
   // The flags are copied one-by-one because m_nonInheritedData.m_contains a
@@ -488,7 +485,6 @@ bool ComputedStyle::nonInheritedEqual(const ComputedStyle& other) const {
              other.verticalAlign() &&  // Not generated in ComputedStyleBase
          m_box == other.m_box &&
          m_visual == other.m_visual && m_background == other.m_background &&
-         m_surround == other.m_surround &&
          m_rareNonInheritedData == other.m_rareNonInheritedData &&
          m_svgStyle->nonInheritedEqual(*other.m_svgStyle);
 }