[CSSGridLayout] Switch from parentheses to brackets for grid line names

Source/core/css/parser/CSSPropertyParser.h

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 - 2010  Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 149 matching lines @@
     bool parseGridTemplateShorthand(bool important);
     bool parseGridShorthand(bool important);
     bool parseGridAreaShorthand(bool important);
     bool parseSingleGridAreaLonghand(RefPtrWillBeRawPtr<CSSValue>&);
     PassRefPtrWillBeRawPtr<CSSValue> parseGridTrackList();
     bool parseGridTrackRepeatFunction(CSSValueList&);
     PassRefPtrWillBeRawPtr<CSSValue> parseGridTrackSize(CSSParserValueList& inputList);
     PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseGridBreadth(CSSParserValue*);
     bool parseGridTemplateAreasRow(NamedGridAreaMap&, const size_t, size_t&);
     PassRefPtrWillBeRawPtr<CSSValue> parseGridTemplateAreas();
-    void maybeParseGridLineNames(CSSParserValueList&, CSSValueList&, CSSGridLineNamesValue* = 0);
+    bool parseGridLineNames(CSSParserValueList&, CSSValueList&, CSSGridLineNamesValue* = nullptr);
     PassRefPtrWillBeRawPtr<CSSValue> parseGridAutoFlow(CSSParserValueList&);
 
     PassRefPtrWillBeRawPtr<CSSPrimitiveValue> parseClipShape();
 
     bool parseLegacyPosition(CSSPropertyID, bool important);
     bool parseItemPositionOverflowPosition(CSSPropertyID, bool important);
     PassRefPtrWillBeRawPtr<CSSValue> parseContentDistributionOverflowPosition();
 
     PassRefPtrWillBeRawPtr<CSSValue> parseShapeProperty(CSSPropertyID propId);
     PassRefPtrWillBeRawPtr<CSSValue> parseBasicShapeAndOrBox();
@@ skipping 196 matching lines @@
     RefPtrWillBeMember<CSSCalcValue> m_parsedCalculation;
 };
 
 CSSPropertyID unresolvedCSSPropertyID(const CSSParserString&);
 CSSPropertyID cssPropertyID(const String&);
 CSSValueID cssValueKeywordID(const CSSParserString&);
 
 } // namespace blink
 
 #endif // CSSPropertyParser_h