Generate enum/getters/setters/mappings for box-decoration-break.

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 fbb26569ae35c88ad9aebdce86694d6d23c845d6..c7eb14dadc1547d198be031ca79175caba11bc5d 100644
--- a/third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h
+++ b/third_party/WebKit/Source/core/css/CSSPrimitiveValueMappings.h
@@ -710,34 +710,6 @@ inline EBoxAlignment CSSIdentifierValue::ConvertTo() const {
   return BSTRETCH;
 }
 
-template <>
-inline CSSIdentifierValue::CSSIdentifierValue(EBoxDecorationBreak e)
-    : CSSValue(kIdentifierClass) {
-  switch (e) {
-    case EBoxDecorationBreak::kSlice:
-      value_id_ = CSSValueSlice;
-      break;
-    case EBoxDecorationBreak::kClone:
-      value_id_ = CSSValueClone;
-      break;
-  }
-}
-
-template <>
-inline EBoxDecorationBreak CSSIdentifierValue::ConvertTo() const {
-  switch (value_id_) {
-    case CSSValueSlice:
-      return EBoxDecorationBreak::kSlice;
-    case CSSValueClone:
-      return EBoxDecorationBreak::kClone;
-    default:
-      break;
-  }
-
-  NOTREACHED();
-  return EBoxDecorationBreak::kSlice;
-}
-
 template <>
 inline CSSIdentifierValue::CSSIdentifierValue(BackgroundEdgeOrigin e)
     : CSSValue(kIdentifierClass) {