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 e62168104424eef3b4739ca41bcbf003abce0b94..7449ddcf18b54911051f03bea4cf11a9affaec1a 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.cpp
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.cpp
@@ -117,7 +117,6 @@ ALWAYS_INLINE ComputedStyle::ComputedStyle()
   box_.Init();
   visual_.Init();
   background_.Init();
-  surround_.Init();
   rare_non_inherited_data_.Init();
   rare_non_inherited_data_.Access()->deprecated_flexible_box_.Init();
   rare_non_inherited_data_.Access()->flexible_box_.Init();
@@ -140,7 +139,6 @@ ALWAYS_INLINE ComputedStyle::ComputedStyle(const ComputedStyle& o)
       box_(o.box_),
       visual_(o.visual_),
       background_(o.background_),
-      surround_(o.surround_),
       rare_non_inherited_data_(o.rare_non_inherited_data_),
       rare_inherited_data_(o.rare_inherited_data_),
       style_inherited_data_(o.style_inherited_data_),
@@ -336,7 +334,6 @@ void ComputedStyle::CopyNonInheritedFromCached(const ComputedStyle& other) {
   box_ = other.box_;
   visual_ = other.visual_;
   background_ = other.background_;
-  surround_ = other.surround_;
   rare_non_inherited_data_ = other.rare_non_inherited_data_;
 
   // The flags are copied one-by-one because they contain
@@ -484,7 +481,6 @@ bool ComputedStyle::NonInheritedEqual(const ComputedStyle& other) const {
              other.VerticalAlign() &&  // Not generated in ComputedStyleBase
          box_ == other.box_ &&
          visual_ == other.visual_ && background_ == other.background_ &&
-         surround_ == other.surround_ &&
          rare_non_inherited_data_ == other.rare_non_inherited_data_ &&
          svg_style_->NonInheritedEqual(*other.svg_style_);
 }