Use ASCII case-insensitive matching for ident-likes in the CSS parser

third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp

 // Copyright 2015 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/parser/CSSPropertyParser.h"
 
 #include "core/StylePropertyShorthand.h"
 #include "core/css/CSSCalculationValue.h"
 #include "core/css/CSSCounterValue.h"
 #include "core/css/CSSCrossfadeValue.h"
@@ skipping 1516 matching lines @@
 {
     if (range.peek().id() == CSSValueNone)
         return consumeIdent(range);
 
     if (allowQuotedName && range.peek().type() == StringToken) {
         // Legacy support for strings in prefixed animations.
         if (context.useCounter())
             context.useCounter()->count(UseCounter::QuotedAnimationName);
 
         const CSSParserToken& token = range.consumeIncludingWhitespace();
-        if (token.valueEqualsIgnoringCase("none"))
+        if (token.valueEqualsIgnoringASCIICase("none"))
             return cssValuePool().createIdentifierValue(CSSValueNone);
         return CSSCustomIdentValue::create(token.value());
     }
 
     return consumeCustomIdent(range);
 }
 
 static PassRefPtrWillBeRawPtr<CSSValue> consumeTransitionProperty(CSSParserTokenRange& range)
 {
     const CSSParserToken& token = range.peek();
@@ skipping 2388 matching lines @@
         m_currentShorthand = oldShorthand;
         CSSParserValueList valueList(m_range);
         if (!valueList.size())
             return false;
         m_valueList = &valueList;
         return legacyParseShorthand(unresolvedProperty, important);
     }
 }
 
 } // namespace blink