Move rem handling out of CSSParserValues.cpp

Source/core/style/ComputedStyle.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 262 matching lines @@
         unsigned unique : 1; // Style can not be shared.
 
         unsigned emptyState : 1;
 
         unsigned affectedByFocus : 1;
         unsigned affectedByHover : 1;
         unsigned affectedByActive : 1;
         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!
 
 protected:
     void setBitDefaults()
     {
         inherited_flags._empty_cells = initialEmptyCells();
         inherited_flags._caption_side = initialCaptionSide();
         inherited_flags._list_style_type = initialListStyleType();
@@ skipping 80 matching lines @@
 
     ComputedStyle* getCachedPseudoStyle(PseudoId) const;
     ComputedStyle* addCachedPseudoStyle(PassRefPtr<ComputedStyle>);
     void removeCachedPseudoStyle(PseudoId);
 
     const PseudoStyleCache* cachedPseudoStyles() const { return m_cachedPseudoStyles.get(); }
 
     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; }
     bool affectedByDrag() const { return noninherited_flags.affectedByDrag; }
 
     void setAffectedByFocus() { noninherited_flags.affectedByFocus = true; }
     void setAffectedByHover() { noninherited_flags.affectedByHover = true; }
     void setAffectedByActive() { noninherited_flags.affectedByActive = true; }
     void setAffectedByDrag() { noninherited_flags.affectedByDrag = true; }
 
@@ skipping 1546 matching lines @@
 }
 
 inline bool ComputedStyle::hasPseudoElementStyle() const
 {
     return noninherited_flags.pseudoBits & PSEUDO_ELEMENT_MASK;
 }
 
 } // namespace blink
 
 #endif // ComputedStyle_h