Move rem handling out of CSSParserValues.cpp

Source/core/css/StyleSheetContents.h

Index: Source/core/css/StyleSheetContents.h
diff --git a/Source/core/css/StyleSheetContents.h b/Source/core/css/StyleSheetContents.h
index f3251cdfabd970dc3d83cbe7659421bd8b9ec5ff..aad72df37d3abc5978baffbdcff3301c66bc7104 100644
--- a/Source/core/css/StyleSheetContents.h
+++ b/Source/core/css/StyleSheetContents.h
@@ -96,7 +96,6 @@ public:
 
     void parserAddNamespace(const AtomicString& prefix, const AtomicString& uri);
     void parserAppendRule(PassRefPtrWillBeRawPtr<StyleRuleBase>);
-    void parserSetUsesRemUnits(bool b) { m_usesRemUnits = b; }
 
     void clearRules();
 
@@ -119,8 +118,6 @@ public:
     unsigned ruleCount() const;
     StyleRuleBase* ruleAt(unsigned index) const;
 
-    bool usesRemUnits() const { return m_usesRemUnits; }
-
     unsigned estimatedSizeInBytes() const;
 
     bool wrapperInsertRule(PassRefPtrWillBeRawPtr<StyleRuleBase>, unsigned index);
@@ -180,7 +177,6 @@ private:
 
     bool m_hasSyntacticallyValidCSSHeader : 1;
     bool m_didLoadErrorOccur : 1;
-    bool m_usesRemUnits : 1;
     bool m_isMutable : 1;
     bool m_isInMemoryCache : 1;
     bool m_hasFontFaceRule : 1;