Store border-*-style on SurroundData in ComputedStyle

third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h

Index: third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h
diff --git a/third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h b/third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h
index d1a33bc3e91ef4a9d9fb2e60429502283145bf06..8bfa8ece61880e22430d5976c12590d5b779d0f7 100644
--- a/third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h
+++ b/third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h
@@ -194,47 +194,10 @@ inline ColumnSpan CSSIdentifierValue::ConvertTo() const {
 }
 
 template <>
-inline CSSIdentifierValue::CSSIdentifierValue(EBorderStyle e)
-    : CSSValue(kIdentifierClass) {
-  switch (e) {
-    case EBorderStyle::kNone:
-      value_id_ = CSSValueNone;
-      break;
-    case EBorderStyle::kHidden:
-      value_id_ = CSSValueHidden;
-      break;
-    case EBorderStyle::kInset:
-      value_id_ = CSSValueInset;
-      break;
-    case EBorderStyle::kGroove:
-      value_id_ = CSSValueGroove;
-      break;
-    case EBorderStyle::kRidge:
-      value_id_ = CSSValueRidge;
-      break;
-    case EBorderStyle::kOutset:
-      value_id_ = CSSValueOutset;
-      break;
-    case EBorderStyle::kDotted:
-      value_id_ = CSSValueDotted;
-      break;
-    case EBorderStyle::kDashed:
-      value_id_ = CSSValueDashed;
-      break;
-    case EBorderStyle::kSolid:
-      value_id_ = CSSValueSolid;
-      break;
-    case EBorderStyle::kDouble:
-      value_id_ = CSSValueDouble;
-      break;
-  }
-}
-
-template <>
 inline EBorderStyle CSSIdentifierValue::ConvertTo() const {
   if (value_id_ == CSSValueAuto)  // Valid for CSS outline-style
     return EBorderStyle::kDotted;
-  return (EBorderStyle)(value_id_ - CSSValueNone);
+  return detail::cssValueIDToPlatformEnumGenerated<EBorderStyle>(value_id_);
 }
 
 template <>