Generate subgroup StyleSurroundData in ComputedStyle.

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

Index: third_party/WebKit/Source/core/style/ComputedStyle.h
diff --git a/third_party/WebKit/Source/core/style/ComputedStyle.h b/third_party/WebKit/Source/core/style/ComputedStyle.h
index 3697dea24c80315c5e02409cd77631f0e307aae5..a758754900799125ac4b774d89ed393f49ad2ac5 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.h
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.h
@@ -53,7 +53,6 @@
 #include "core/style/StyleRareNonInheritedData.h"
 #include "core/style/StyleReflection.h"
 #include "core/style/StyleSelfAlignmentData.h"
-#include "core/style/StyleSurroundData.h"
 #include "core/style/StyleTransformData.h"
 #include "core/style/StyleVisualData.h"
 #include "core/style/StyleWillChangeData.h"
@@ -188,7 +187,6 @@ class CORE_EXPORT ComputedStyle : public ComputedStyleBase,
   DataRef<StyleBoxData> box_;
   DataRef<StyleVisualData> visual_;
   DataRef<StyleBackgroundData> background_;
-  DataRef<StyleSurroundData> surround_;
   DataRef<StyleRareNonInheritedData> rare_non_inherited_data_;
 
   // inherited attributes
@@ -595,27 +593,6 @@ class CORE_EXPORT ComputedStyle : public ComputedStyleBase,
     SET_VAR(surround_, border_.bottom_right_, s);
   }
 
-  // Offset properties.
-  // left
-  static Length InitialLeft() { return Length(); }
-  const Length& Left() const { return surround_->left_; }
-  void SetLeft(const Length& v) { SET_VAR(surround_, left_, v); }
-
-  // right
-  static Length InitialRight() { return Length(); }
-  const Length& Right() const { return surround_->right_; }
-  void SetRight(const Length& v) { SET_VAR(surround_, right_, v); }
-
-  // top
-  static Length InitialTop() { return Length(); }
-  const Length& Top() const { return surround_->top_; }
-  void SetTop(const Length& v) { SET_VAR(surround_, top_, v); }
-
-  // bottom
-  static Length InitialBottom() { return Length(); }
-  const Length& Bottom() const { return surround_->bottom_; }
-  void SetBottom(const Length& v) { SET_VAR(surround_, bottom_, v); }
-
   // box-shadow (aka -webkit-box-shadow)
   static ShadowList* InitialBoxShadow() { return 0; }
   ShadowList* BoxShadow() const {