Remove REM units.

sky/engine/core/css/MediaQueryExp.cpp

 /*
  * CSS Media Query
  *
  * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 68 matching lines @@
 {
     switch (unit) {
     case CSSPrimitiveValue::CSS_EMS:
     case CSSPrimitiveValue::CSS_EXS:
     case CSSPrimitiveValue::CSS_PX:
     case CSSPrimitiveValue::CSS_CM:
     case CSSPrimitiveValue::CSS_MM:
     case CSSPrimitiveValue::CSS_IN:
     case CSSPrimitiveValue::CSS_PT:
     case CSSPrimitiveValue::CSS_PC:
-    case CSSPrimitiveValue::CSS_REMS:
     case CSSPrimitiveValue::CSS_CHS:
         return true;
     }
     return false;
 }
 
 static inline bool featureWithValidPositiveLength(const String& mediaFeature, const CSSParserValue* value)
 {
     if (!(positiveLengthUnit(value->unit) || (value->unit == CSSPrimitiveValue::CSS_NUMBER && value->fValue == 0)) || value->fValue < 0)
         return false;
@@ skipping 238 matching lines @@
         output.append('/');
         output.append(printNumber(denominator));
     } else if (isID) {
         output.append(getValueName(id));
     }
 
     return output.toString();
 }
 
 } // namespace