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 0ed6621a6435ed2e1feccde3ba446f9c86b6d448..9e08f3d7843a8192eca6c9c3179615a07892a26a 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::UnitType::Rems)
-                usesRemUnits = true;
             // fallthrough
         case NumberToken:
         case PercentageToken: