Move rem handling out of CSSParserValues.cpp

Source/core/style/ComputedStyle.cpp

Index: Source/core/style/ComputedStyle.cpp
diff --git a/Source/core/style/ComputedStyle.cpp b/Source/core/style/ComputedStyle.cpp
index 8e77ef818173edc0eaee8ada1afc6ed859f4391d..2a794d9b9ffcf0615e5f60a824cafb78d3d7db61 100644
--- a/Source/core/style/ComputedStyle.cpp
+++ b/Source/core/style/ComputedStyle.cpp
@@ -253,6 +253,7 @@ void ComputedStyle::copyNonInheritedFromCached(const ComputedStyle& other)
     noninherited_flags.pageBreakBefore = other.noninherited_flags.pageBreakBefore;
     noninherited_flags.pageBreakAfter = other.noninherited_flags.pageBreakAfter;
     noninherited_flags.pageBreakInside = other.noninherited_flags.pageBreakInside;
+    noninherited_flags.hasRemUnits = other.noninherited_flags.hasRemUnits;
 
     // Correctly set during selector matching:
     // noninherited_flags.styleType