Add image-rendering: pixelated.

Source/core/rendering/style/RenderStyleConstants.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 451 matching lines @@
 enum TextEmphasisFill { TextEmphasisFillFilled, TextEmphasisFillOpen };
 
 enum TextEmphasisMark { TextEmphasisMarkNone, TextEmphasisMarkAuto, TextEmphasisMarkDot, TextEmphasisMarkCircle, TextEmphasisMarkDoubleCircle, TextEmphasisMarkTriangle, TextEmphasisMarkSesame, TextEmphasisMarkCustom };
 
 enum TextEmphasisPosition { TextEmphasisPositionOver, TextEmphasisPositionUnder };
 
 enum TextOrientation { TextOrientationVerticalRight, TextOrientationUpright, TextOrientationSideways, TextOrientationSidewaysRight };
 
 enum TextOverflow { TextOverflowClip = 0, TextOverflowEllipsis };
 
-enum EImageRendering { ImageRenderingAuto, ImageRenderingOptimizeSpeed, ImageRenderingOptimizeQuality, ImageRenderingOptimizeContrast };
+enum EImageRendering { ImageRenderingAuto, ImageRenderingOptimizeSpeed, ImageRenderingOptimizeQuality, ImageRenderingOptimizeContrast, ImageRenderingPixelated };
 
 enum ImageResolutionSource { ImageResolutionSpecified = 0, ImageResolutionFromImage };
 
 enum ImageResolutionSnap { ImageResolutionNoSnap = 0, ImageResolutionSnapPixels };
 
 enum Order { LogicalOrder = 0, VisualOrder };
 
 enum WrapFlow { WrapFlowAuto, WrapFlowBoth, WrapFlowStart, WrapFlowEnd, WrapFlowMaximum, WrapFlowClear };
 
 enum WrapThrough { WrapThroughWrap, WrapThroughNone };
@@ skipping 46 matching lines @@
 static const float maximumAllowedFontSize = 1000000.0f;
 
 enum TextIndentLine { TextIndentFirstLine, TextIndentEachLine };
 enum TextIndentType { TextIndentNormal, TextIndentHanging };
 
 enum CSSBoxType { BoxMissing = 0, MarginBox, BorderBox, PaddingBox, ContentBox };
 
 } // namespace WebCore
 
 #endif // RenderStyleConstants_h