Added support of calc() for SVGLength

third_party/WebKit/Source/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 89 matching lines @@
         // Resolution
         DotsPerPixel,
         DotsPerInch,
         DotsPerCentimeter,
         // Other units
         Fraction,
         Integer,
         Calc,
         CalcPercentageWithNumber,
         CalcPercentageWithLength,
+        CalcLengthWithNumber,
+        CalcPercentageWithLengthAndNumber,
         ValueID,
 
         // This value is used to handle quirky margins in reflow roots (body, td, and th) like WinIE.
         // The basic idea is that a stylesheet can use the value __qem (for quirky em) instead of em.
         // When the quirky value is used, if you're in quirks mode, the margin will collapse away
         // inside a table cell. This quirk is specified in the HTML spec but our impl is different.
         // TODO: Remove this. crbug.com/443952
         QuirkyEms,
     };
 
@@ skipping 182 matching lines @@
     } m_value;
 };
 
 using CSSLengthArray = CSSPrimitiveValue::CSSLengthArray;
 
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSPrimitiveValue, isPrimitiveValue());
 
 } // namespace blink
 
 #endif // CSSPrimitiveValue_h