Make EImageRendering an enum class.

third_party/WebKit/Source/core/layout/svg/SVGLayoutTreeAsText.cpp

 /*
  * Copyright (C) 2004, 2005, 2007, 2009 Apple Inc. All rights reserved.
  *           (C) 2005 Rob Buis <buis@kde.org>
  *           (C) 2006 Alexander Kellett <lypanov@kde.org>
  * 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:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 258 matching lines @@
 
   ts << " [id=\"" << element->GetIdAttribute() << "\"]";
 }
 
 static void WriteStyle(TextStream& ts, const LayoutObject& object) {
   const ComputedStyle& style = object.StyleRef();
   const SVGComputedStyle& svg_style = style.SvgStyle();
 
   if (!object.LocalSVGTransform().IsIdentity())
     WriteNameValuePair(ts, "transform", object.LocalSVGTransform());
-  WriteIfNotDefault(ts, "image rendering", style.ImageRendering(),
-                    ComputedStyle::InitialImageRendering());
+  WriteIfNotDefault(ts, "image rendering",
+                    static_cast<int>(style.ImageRendering()),
+                    static_cast<int>(ComputedStyle::InitialImageRendering()));
   WriteIfNotDefault(ts, "opacity", style.Opacity(),
                     ComputedStyle::InitialOpacity());
   if (object.IsSVGShape()) {
     const LayoutSVGShape& shape = static_cast<const LayoutSVGShape&>(object);
     DCHECK(shape.GetElement());
 
     SVGPaintDescription stroke_paint_description =
         LayoutSVGResourcePaintServer::RequestPaintDescription(
             shape, shape.StyleRef(), kApplyToStrokeMode);
     if (stroke_paint_description.is_valid) {
@@ skipping 476 matching lines @@
     WriteIndent(ts, indent);
     ts << " ";
     WriteNameAndQuotedValue(ts, "filter", id);
     ts << " ";
     WriteStandardPrefix(ts, *filter, 0);
     ts << " " << filter->ResourceBoundingBox(&object) << "\n";
   }
 }
 
 }  // namespace blink