Remove CSS Grid Layout and grid media queries.

sky/engine/core/css/CSSPrimitiveValueMappings.h

 /*
  * Copyright (C) 2007 Alexey Proskuryakov <ap@nypop.com>.
  * Copyright (C) 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2009 Jeff Schiller <codedread@gmail.com>
  * Copyright (C) Research In Motion Limited 2010. 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 960 matching lines @@
         break;
     case INLINE_BLOCK:
         m_value.valueID = CSSValueInlineBlock;
         break;
     case FLEX:
         m_value.valueID = CSSValueFlex;
         break;
     case INLINE_FLEX:
         m_value.valueID = CSSValueInlineFlex;
         break;
-    case GRID:
-        m_value.valueID = CSSValueGrid;
-        break;
-    case INLINE_GRID:
-        m_value.valueID = CSSValueInlineGrid;
-        break;
     case NONE:
         m_value.valueID = CSSValueNone;
         break;
     }
 }
 
 template<> inline CSSPrimitiveValue::operator EDisplay() const
 {
     ASSERT(isValueID());
     if (m_value.valueID == CSSValueNone)
         return NONE;
 
-    if (m_value.valueID == CSSValueWebkitFlex)
-        return FLEX;
-    if (m_value.valueID == CSSValueWebkitInlineFlex)
-        return INLINE_FLEX;
-
     EDisplay display = static_cast<EDisplay>(m_value.valueID - CSSValueInline);
     ASSERT(display >= INLINE && display <= NONE);
     return display;
 }
 
 template<> inline CSSPrimitiveValue::CSSPrimitiveValue(EEmptyCell e)
     : CSSValue(PrimitiveClass)
 {
     m_primitiveUnitType = CSS_VALUE_ID;
     switch (e) {
@@ skipping 2745 matching lines @@
     default:
         break;
     }
     ASSERT_NOT_REACHED();
     return ScrollBehaviorInstant;
 }
 
 }
 
 #endif