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

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

 // Copyright 2014 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/SizesCalcParser.h"
 
 #include "core/css/MediaValues.h"
 #include "core/css/parser/CSSParserToken.h"
 
 namespace blink {
@@ skipping 87 matching lines @@
             break;
         case DimensionToken:
             if (!CSSPrimitiveValue::isLength(token.unitType()) || !appendLength(token))
                 return false;
             break;
         case DelimiterToken:
             if (!handleOperator(stack, token))
                 return false;
             break;
         case FunctionToken:
-            if (!token.valueEqualsIgnoringCase("calc"))
+            if (!token.valueEqualsIgnoringASCIICase("calc"))
                 return false;
             // "calc(" is the same as "("
         case LeftParenthesisToken:
             // If the token is a left parenthesis, then push it onto the stack.
             stack.append(token);
             break;
         case RightParenthesisToken:
             // If the token is a right parenthesis:
             // Until the token at the top of the stack is a left parenthesis, pop operators off the stack onto the output queue.
             while (!stack.isEmpty() && stack.last().type() != LeftParenthesisToken && stack.last().type() != FunctionToken) {
@@ skipping 104 matching lines @@
         }
     }
     if (stack.size() == 1 && stack.last().isLength) {
         m_result = std::max(clampTo<float>(stack.last().value), (float)0.0);
         return true;
     }
     return false;
 }
 
 } // namespace blink