Added unresolved property argument to ParseSingleValue method

third_party/WebKit/Source/core/css/properties/CSSPropertyAPIColumnGap.cpp

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/properties/CSSPropertyAPIColumnGap.h"
 
 #include "core/css/parser/CSSParserContext.h"
 #include "core/css/parser/CSSPropertyParserHelpers.h"
 
 namespace blink {
 
 const CSSValue* CSSPropertyAPIColumnGap::parseSingleValue(
     CSSParserTokenRange& range,
-    const CSSParserContext& context) {
+    const CSSParserContext& context,
+    CSSPropertyID) {
   if (range.Peek().Id() == CSSValueNormal)
     return CSSPropertyParserHelpers::ConsumeIdent(range);
   return CSSPropertyParserHelpers::ConsumeLength(range, context.Mode(),
                                                  kValueRangeNonNegative);
 }
 
 }  // namespace blink