Remove REM units.

sky/engine/core/css/CSSPrimitiveValue.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  *
  * 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
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 95 matching lines @@
         CSS_DPCM = 32,
         CSS_FR = 33,
         CSS_PAIR = 100, // We envision this being exposed as a means of getting computed style values for pairs (border-spacing/radius, background-position, etc.)
         CSS_UNICODE_RANGE = 102,
 
         // FIXME: This is only used in CSSParserValue, so it's probably better as part of the enum there
         CSS_PARSER_HEXCOLOR = 105,
 
         // These are from CSS3 Values and Units, but that isn't a finished standard yet
         CSS_TURN = 107,
-        CSS_REMS = 108,
+        // CSS_REMS = 108,
         CSS_CHS = 109,
 
         // This is used by the CSS Shapes draft
         CSS_SHAPE = 111,
 
         // Used by border images.
         CSS_QUAD = 112,
 
         CSS_CALC = 113,
         CSS_CALC_PERCENTAGE_WITH_NUMBER = 114,
         CSS_CALC_PERCENTAGE_WITH_LENGTH = 115,
 
         CSS_PROPERTY_ID = 117,
         CSS_VALUE_ID = 118
     };
 
     enum LengthUnitType {
         UnitTypePixels = 0,
         UnitTypePercentage,
         UnitTypeFontSize,
         UnitTypeFontXSize,
-        UnitTypeRootFontSize,
         UnitTypeZeroCharacterWidth,
         UnitTypeViewportWidth,
         UnitTypeViewportHeight,
         UnitTypeViewportMin,
         UnitTypeViewportMax,
 
         // This value must come after the last length unit type to enable iteration over the length unit types.
         LengthUnitTypeCount,
     };
 
@@ skipping 21 matching lines @@
                || m_primitiveUnitType == CSS_RAD
                || m_primitiveUnitType == CSS_GRAD
                || m_primitiveUnitType == CSS_TURN;
     }
     bool isAttr() const { return m_primitiveUnitType == CSS_ATTR; }
     bool isFontIndependentLength() const { return m_primitiveUnitType >= CSS_PX && m_primitiveUnitType <= CSS_PC; }
     bool isFontRelativeLength() const
     {
         return m_primitiveUnitType == CSS_EMS
             || m_primitiveUnitType == CSS_EXS
-            || m_primitiveUnitType == CSS_REMS
             || m_primitiveUnitType == CSS_CHS;
     }
     bool isViewportPercentageLength() const { return isViewportPercentageLength(static_cast<UnitType>(m_primitiveUnitType)); }
     static bool isViewportPercentageLength(UnitType type) { return type >= CSS_VW && type <= CSS_VMAX; }
     static bool isLength(UnitType type)
     {
-        return (type >= CSS_EMS && type <= CSS_PC) || type == CSS_REMS || type == CSS_CHS || isViewportPercentageLength(type);
+        return (type >= CSS_EMS && type <= CSS_PC) || type == CSS_CHS || isViewportPercentageLength(type);
     }
     bool isLength() const { return isLength(primitiveType()); }
     bool isNumber() const { return primitiveType() == CSS_NUMBER; }
     bool isPercentage() const { return primitiveType() == CSS_PERCENTAGE; }
     bool isPx() const { return primitiveType() == CSS_PX; }
     bool isRect() const { return m_primitiveUnitType == CSS_RECT; }
     bool isRGBColor() const { return m_primitiveUnitType == CSS_RGBCOLOR; }
     bool isShape() const { return m_primitiveUnitType == CSS_SHAPE; }
     bool isString() const { return m_primitiveUnitType == CSS_STRING; }
     bool isTime() const { return m_primitiveUnitType == CSS_S || m_primitiveUnitType == CSS_MS; }
@@ skipping 191 matching lines @@
     } m_value;
 };
 
 typedef CSSPrimitiveValue::CSSLengthArray CSSLengthArray;
 
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSPrimitiveValue, isPrimitiveValue());
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_CSS_CSSPRIMITIVEVALUE_H_