Move rem handling out of CSSParserValues.cpp

Source/core/css/parser/CSSPropertyParser.cpp

Index: Source/core/css/parser/CSSPropertyParser.cpp
diff --git a/Source/core/css/parser/CSSPropertyParser.cpp b/Source/core/css/parser/CSSPropertyParser.cpp
index e27fa5ce66af073d3b35c869321c000938253407..cffe32059f73b005caa7b01c061ff38a45a36e6e 100644
--- a/Source/core/css/parser/CSSPropertyParser.cpp
+++ b/Source/core/css/parser/CSSPropertyParser.cpp
@@ -90,12 +90,13 @@ CSSPropertyParser::CSSPropertyParser(CSSParserValueList* valueList,
     , m_inParseShorthand(0)
     , m_currentShorthand(CSSPropertyInvalid)
     , m_implicitShorthand(false)
+    , m_usesRems(false)
 {
 }
 
 bool CSSPropertyParser::parseValue(CSSPropertyID unresolvedProperty, bool important,
     CSSParserValueList* valueList, const CSSParserContext& context,
-    WillBeHeapVector<CSSProperty, 256>& parsedProperties, StyleRule::Type ruleType)
+    WillBeHeapVector<CSSProperty, 256>& parsedProperties, StyleRule::Type ruleType, bool &usesRems)
 {
     int parsedPropertiesSize = parsedProperties.size();
 
@@ -118,6 +119,8 @@ bool CSSPropertyParser::parseValue(CSSPropertyID unresolvedProperty, bool import
 
     if (!parseSuccess)
         parser.rollbackLastProperties(parsedProperties.size() - parsedPropertiesSize);
+    else
+        usesRems = parser.m_usesRems;
 
     return parseSuccess;
 }
@@ -382,6 +385,10 @@ inline PassRefPtrWillBeRawPtr<CSSPrimitiveValue> CSSPropertyParser::parseValidPr
         return cssValuePool().createIdentifierValue(identifier);
     if (value->unit >= CSSPrimitiveValue::CSS_NUMBER && value->unit <= CSSPrimitiveValue::CSS_KHZ)
         return createPrimitiveNumericValue(value);
+    if (value->unit == CSSPrimitiveValue::CSS_REMS) {

[Timothy Loh, 2015/06/17 01:35:18]

Probably better in createPrimitiveNumericValue, I think there's code which calls
that directly

+        m_usesRems = true;
+        return createPrimitiveNumericValue(value);
+    }
     if (value->unit >= CSSPrimitiveValue::CSS_TURN && value->unit <= CSSPrimitiveValue::CSS_CHS)
         return createPrimitiveNumericValue(value);
     if (value->unit >= CSSPrimitiveValue::CSS_VW && value->unit <= CSSPrimitiveValue::CSS_VMAX)