Move more helper methods out of CSSPropertyParser

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

Index: third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
diff --git a/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp b/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
index 7d6b8a4e08fbab8a13469cda4cb150c5eb1c1b1f..16f4392197cb2aa349f275f801bf5b4a8ab59759 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
+++ b/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
@@ -94,7 +94,7 @@ static bool hasInvalidNumericValues(const CSSParserTokenRange& range)
     for (const CSSParserToken& token : range) {
         CSSParserTokenType type = token.type();
         if ((type == NumberToken || type == DimensionToken || type == PercentageToken)
-            && !CSSPropertyParser::isValidNumericValue(token.numericValue()))
+            && !token.isValidNumericValue())
             return true;
     }
     return false;
@@ -143,13 +143,6 @@ CSSValue* CSSPropertyParser::parseSingleValue(
     return value;
 }
 
-bool CSSPropertyParser::isValidNumericValue(double value)
-{
-    return std::isfinite(value)
-        && value >= -std::numeric_limits<float>::max()
-        && value <= std::numeric_limits<float>::max();
-}
-
 bool CSSPropertyParser::parseValueStart(CSSPropertyID unresolvedProperty, bool important)
 {
     if (consumeCSSWideKeyword(unresolvedProperty, important))
@@ -180,11 +173,6 @@ bool CSSPropertyParser::parseValueStart(CSSPropertyID unresolvedProperty, bool i
     return false;
 }
 
-bool CSSPropertyParser::isSystemColor(CSSValueID id)
-{
-    return (id >= CSSValueActiveborder && id <= CSSValueWindowtext) || id == CSSValueMenu;
-}
-
 template <typename CharacterType>
 static CSSPropertyID unresolvedCSSPropertyID(const CharacterType* propertyName, unsigned length)
 {