Move rem handling out of CSSParserValues.cpp

Source/core/css/parser/CSSParserValues.cpp

Index: Source/core/css/parser/CSSParserValues.cpp
diff --git a/Source/core/css/parser/CSSParserValues.cpp b/Source/core/css/parser/CSSParserValues.cpp
index 039e70bc66c8316a9d6b117e5f21abdc72476df7..bdea9e88d6e53af486bdb8bc4e52c31254ecece5 100644
--- a/Source/core/css/parser/CSSParserValues.cpp
+++ b/Source/core/css/parser/CSSParserValues.cpp
@@ -32,10 +32,9 @@ namespace blink {
 
 using namespace WTF;
 
-CSSParserValueList::CSSParserValueList(CSSParserTokenRange range, bool& usesRemUnits)
+CSSParserValueList::CSSParserValueList(CSSParserTokenRange range)
 : m_current(0)
 {
-    usesRemUnits = false;
     Vector<CSSParserValueList*> stack;
     Vector<int> bracketCounts;
     stack.append(this);
@@ -143,8 +142,6 @@ CSSParserValueList::CSSParserValueList(CSSParserTokenRange range, bool& usesRemU
 
                 break;
             }
-            if (token.unitType() == CSSPrimitiveValue::CSS_REMS)
-                usesRemUnits = true;
             // fallthrough
         case NumberToken:
         case PercentageToken: