Make __qems a CSSPrimitiveValue unit type

Source/core/css/CSSPrimitiveValue.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2012 Apple Inc. All rights reserved.
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 64 matching lines @@
     table.set(String("dpcm"), CSSPrimitiveValue::CSS_DPCM);
     table.set(String("dppx"), CSSPrimitiveValue::CSS_DPPX);
     table.set(String("vw"), CSSPrimitiveValue::CSS_VW);
     table.set(String("vh"), CSSPrimitiveValue::CSS_VH);
     table.set(String("vmin"), CSSPrimitiveValue::CSS_VMIN);
     table.set(String("vmax"), CSSPrimitiveValue::CSS_VMAX);
     table.set(String("rem"), CSSPrimitiveValue::CSS_REMS);
     table.set(String("fr"), CSSPrimitiveValue::CSS_FR);
     table.set(String("turn"), CSSPrimitiveValue::CSS_TURN);
     table.set(String("ch"), CSSPrimitiveValue::CSS_CHS);
+    table.set(String("__qem"), CSSPrimitiveValue::CSS_QEM);
     return table;
 }
 
 StringToUnitTable& unitTable()
 {
     DEFINE_STATIC_LOCAL(StringToUnitTable, unitTable, (createStringToUnitTable()));
     return unitTable;
 }
 
 } // namespace
@@ skipping 337 matching lines @@
         break;
     case CSS_SHAPE:
         // We must not call deref() when oilpan is enabled because m_value.shape is traced.
 #if !ENABLE(OILPAN)
         m_value.shape->deref();
 #endif
         break;
     case CSS_NUMBER:
     case CSS_PERCENTAGE:
     case CSS_EMS:
+    case CSS_QEM:
     case CSS_EXS:
     case CSS_REMS:
     case CSS_CHS:
     case CSS_PX:
     case CSS_CM:
     case CSS_MM:
     case CSS_IN:
     case CSS_PT:
     case CSS_PC:
     case CSS_DEG:
@@ skipping 465 matching lines @@
     case CSS_COUNTER:
     case CSS_RECT:
     case CSS_QUAD:
     case CSS_RGBCOLOR:
     case CSS_PAIR:
     case CSS_CALC:
     case CSS_SHAPE:
     case CSS_IDENT:
     case CSS_CALC_PERCENTAGE_WITH_NUMBER:
     case CSS_CALC_PERCENTAGE_WITH_LENGTH:
+    case CSS_QEM:
         break;
     };
     ASSERT_NOT_REACHED();
     return "";
 }
 
 String CSSPrimitiveValue::customCSSText() const
 {
     if (m_hasCachedCSSText) {
         ASSERT(cssTextCache().contains(this));
@@ skipping 198 matching lines @@
         visitor->trace(m_value.shape);
         break;
     default:
         break;
     }
 #endif
     CSSValue::traceAfterDispatch(visitor);
 }
 
 } // namespace blink