NOT FOR LANDING: Hack up CSSParser for speed.

third_party/WebKit/Source/core/css/resolver/CSSVariableResolver.cpp

Index: third_party/WebKit/Source/core/css/resolver/CSSVariableResolver.cpp
diff --git a/third_party/WebKit/Source/core/css/resolver/CSSVariableResolver.cpp b/third_party/WebKit/Source/core/css/resolver/CSSVariableResolver.cpp
index a1cf7fbcf16f2f6d58513a2a84e8e2c5a4483f8c..d4819b38ce7bd53a3f2fe02a8f806634bbef9446 100644
--- a/third_party/WebKit/Source/core/css/resolver/CSSVariableResolver.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/CSSVariableResolver.cpp
@@ -55,7 +55,7 @@ PassRefPtr<CSSVariableData> CSSVariableResolver::resolveCustomProperty(AtomicStr
 
     Vector<CSSParserToken> tokens;
     m_variablesSeen.add(name);
-    bool success = resolveTokenRange(variableData.tokens(), tokens);
+    bool success = resolveTokenRange(variableData.tokenRange(), tokens);
     m_variablesSeen.remove(name);
 
     // The old variable data holds onto the backing string the new resolved CSSVariableData
@@ -135,9 +135,9 @@ CSSValue* CSSVariableResolver::resolveVariableReferences(StyleVariableData* styl
 
     CSSVariableResolver resolver(styleVariableData);
     Vector<CSSParserToken> tokens;
-    if (!resolver.resolveTokenRange(value.variableDataValue()->tokens(), tokens))
+    if (!resolver.resolveTokenRange(value.variableDataValue()->tokenRange(), tokens))
         return cssValuePool().createUnsetValue();
-    CSSValue* result = CSSPropertyParser::parseSingleValue(id, tokens, strictCSSParserContext());
+    CSSValue* result = CSSPropertyParser::parseSingleValue(id, CSSParserTokenRange(tokens.begin(), tokens.end()), strictCSSParserContext());
     if (!result)
         return cssValuePool().createUnsetValue();
     return result;
@@ -148,13 +148,13 @@ void CSSVariableResolver::resolveAndApplyVariableReferences(StyleResolverState&
     CSSVariableResolver resolver(state.style()->variables());
 
     Vector<CSSParserToken> tokens;
-    if (resolver.resolveTokenRange(value.variableDataValue()->tokens(), tokens)) {
+    if (resolver.resolveTokenRange(value.variableDataValue()->tokenRange(), tokens)) {
         CSSParserContext context(HTMLStandardMode, 0);
 
         HeapVector<CSSProperty, 256> parsedProperties;
 
         // TODO: Non-shorthands should just call CSSPropertyParser::parseSingleValue
-        if (CSSPropertyParser::parseValue(id, false, CSSParserTokenRange(tokens), context, parsedProperties, StyleRule::RuleType::Style)) {
+        if (CSSPropertyParser::parseValue(id, false, CSSParserTokenRange(tokens.begin(), tokens.end()), context, parsedProperties, StyleRule::RuleType::Style)) {
             unsigned parsedPropertiesCount = parsedProperties.size();
             for (unsigned i = 0; i < parsedPropertiesCount; ++i)
                 StyleBuilder::applyProperty(parsedProperties[i].id(), state, parsedProperties[i].value());