| Index: Source/core/css/parser/BisonCSSParser-in.cpp | 
| diff --git a/Source/core/css/parser/BisonCSSParser-in.cpp b/Source/core/css/parser/BisonCSSParser-in.cpp | 
| index 0bf3a0738fa8b7a5841a51a08a44acb20020dec8..24182c5f402195026eb3a621dd8bcbf1f570ad60 100644 | 
| --- a/Source/core/css/parser/BisonCSSParser-in.cpp | 
| +++ b/Source/core/css/parser/BisonCSSParser-in.cpp | 
| @@ -524,9 +524,6 @@ bool isValidKeywordPropertyAndValue(CSSPropertyID propertyId, CSSValueID valueID | 
| return valueID == CSSValueAuto || valueID == CSSValueNormal || valueID == CSSValueNone; | 
| case CSSPropertyWebkitFontSmoothing: | 
| return valueID == CSSValueAuto || valueID == CSSValueNone || valueID == CSSValueAntialiased || valueID == CSSValueSubpixelAntialiased; | 
| -    case CSSPropertyGridAutoFlow: | 
| -        return RuntimeEnabledFeatures::cssGridLayoutEnabled() | 
| -            && (valueID == CSSValueNone || valueID == CSSValueRow || valueID == CSSValueColumn); | 
| case CSSPropertyWebkitLineBreak: // auto | loose | normal | strict | after-white-space | 
| return valueID == CSSValueAuto || valueID == CSSValueLoose || valueID == CSSValueNormal || valueID == CSSValueStrict || valueID == CSSValueAfterWhiteSpace; | 
| case CSSPropertyWebkitMarginAfterCollapse: | 
| @@ -649,7 +646,6 @@ bool isKeywordPropertyID(CSSPropertyID propertyId) | 
| case CSSPropertyJustifyContent: | 
| case CSSPropertyFontKerning: | 
| case CSSPropertyWebkitFontSmoothing: | 
| -    case CSSPropertyGridAutoFlow: | 
| case CSSPropertyWebkitLineBreak: | 
| case CSSPropertyWebkitMarginAfterCollapse: | 
| case CSSPropertyWebkitMarginBeforeCollapse: | 
|  |