Move rem handling out of CSSParserValues.cpp

Source/core/style/ComputedStyle.h

Index: Source/core/style/ComputedStyle.h
diff --git a/Source/core/style/ComputedStyle.h b/Source/core/style/ComputedStyle.h
index dcaba3799d9cd350b768467b630688f4c6a187b9..4f941694077fe5da5a6a18b7fd12d1b4b0b09548 100644
--- a/Source/core/style/ComputedStyle.h
+++ b/Source/core/style/ComputedStyle.h
@@ -280,8 +280,10 @@ protected:
         unsigned affectedByDrag : 1;
 
         unsigned isLink : 1;
+
+        mutable unsigned hasRemUnits : 1;
         // If you add more style bits here, you will also need to update ComputedStyle::copyNonInheritedFromCached()
-        // 62 bits
+        // 63 bits
     } noninherited_flags;
 
 // !END SYNC!
@@ -382,6 +384,9 @@ public:
     void setHasViewportUnits(bool hasViewportUnits = true) const { noninherited_flags.hasViewportUnits = hasViewportUnits; }
     bool hasViewportUnits() const { return noninherited_flags.hasViewportUnits; }
 
+    void setHasRemUnits(bool hasRemUnits = true) const { noninherited_flags.hasRemUnits = hasRemUnits; }

[Timothy Loh, 2015/07/30 01:06:55]

Probably no point having an argument (even though the viewport units one has
one)

+    bool hasRemUnits() const { return noninherited_flags.hasRemUnits; }
+
     bool affectedByFocus() const { return noninherited_flags.affectedByFocus; }
     bool affectedByHover() const { return noninherited_flags.affectedByHover; }
     bool affectedByActive() const { return noninherited_flags.affectedByActive; }