Replace CSSParserString with StringView.

third_party/WebKit/Source/core/css/parser/CSSParserFastPaths.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/CSSParserFastPaths.h"
 
 #include "core/StylePropertyShorthand.h"
 #include "core/css/CSSFunctionValue.h"
 #include "core/css/CSSValuePool.h"
 #include "core/css/parser/CSSParserIdioms.h"
-#include "core/css/parser/CSSParserString.h"
 #include "core/css/parser/CSSPropertyParser.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "platform/RuntimeEnabledFeatures.h"
 
 namespace blink {
 
 static inline bool isSimpleLengthPropertyID(CSSPropertyID propertyId, bool& acceptsNegativeNumbers)
 {
     switch (propertyId) {
     case CSSPropertyFontSize:
@@ skipping 411 matching lines @@
         rgb = makeRGB(red, green, blue);
         return true;
     }
 
     return false;
 }
 
 CSSValue* CSSParserFastPaths::parseColor(const String& string, CSSParserMode parserMode)
 {
     ASSERT(!string.isEmpty());
-    CSSParserString cssString;
-    cssString.init(string);
-    CSSValueID valueID = cssValueKeywordID(cssString);
+    CSSValueID valueID = cssValueKeywordID(string);
     if (CSSPropertyParser::isColorKeyword(valueID)) {
         if (!isValueAllowedInMode(valueID, parserMode))
             return nullptr;
         return cssValuePool().createIdentifierValue(valueID);
     }
 
     RGBA32 color;
     bool quirksMode = isQuirksModeBehavior(parserMode);
 
     // Fast path for hex colors and rgb()/rgba() colors
@@ skipping 383 matching lines @@
 
         // Parse initial/inherit shorthands using the CSSPropertyParser.
         if (shorthandForProperty(propertyId).length())
             return nullptr;
 
         // Descriptors do not support css wide keywords.
         if (CSSPropertyMetadata::isDescriptorOnly(propertyId))
             return nullptr;
     }
 
-    CSSParserString cssString;
-    cssString.init(string);
-    CSSValueID valueID = cssValueKeywordID(cssString);
+    CSSValueID valueID = cssValueKeywordID(string);
 
     if (!valueID)
         return nullptr;
 
     if (valueID == CSSValueInherit)
         return cssValuePool().createInheritedValue();
     if (valueID == CSSValueInitial)
         return cssValuePool().createExplicitInitialValue();
     if (CSSParserFastPaths::isValidKeywordPropertyAndValue(propertyId, valueID, parserMode))
         return cssValuePool().createIdentifierValue(valueID);
@@ skipping 213 matching lines @@
     if (isColorPropertyID(propertyID))
         return parseColor(string, parserMode);
     if (CSSValue* keyword = parseKeywordValue(propertyID, string, parserMode))
         return keyword;
     if (CSSValue* transform = parseSimpleTransform(propertyID, string))
         return transform;
     return nullptr;
 }
 
 } // namespace blink