Set ComputedStyle on Node and use that in buildOwnLayout()

third_party/WebKit/Source/core/style/ComputedStyle.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Adobe Systems Incorporated. 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.
  *
@@ skipping 372 matching lines @@
     // Any properties that are inherited on a style are also inherited on elements
     // that share this style.
     m_nonInheritedData.m_isPointerEventsInherited = other.m_nonInheritedData.m_isPointerEventsInherited;
     m_nonInheritedData.m_isVisibilityInherited = other.m_nonInheritedData.m_isVisibilityInherited;
 
     if (m_svgStyle != other.m_svgStyle)
         m_svgStyle.access()->copyNonInheritedFromCached(other.m_svgStyle.get());
     DCHECK_EQ(zoom(), initialZoom());
 }
 
+bool ComputedStyle::hasImage()
+{
+    return backgroundLayers().image() || maskLayers().image()
+    || borderImage().image() || maskBoxImage().image()
+    || (contentData() && contentData()->isImage())
+    || (boxReflect() && boxReflect()->mask().image())
+    || (shapeOutside() && shapeOutside()->image())
+    || cursors() || borderImageSource()
+    || hasFixedBackgroundImage() || hasBackgroundImage()
+    || listStyleImage() || maskImage();
+}
+
+
 bool ComputedStyle::operator==(const ComputedStyle& o) const
 {
     return inheritedEqual(o)
         && nonInheritedEqual(o);
 }
 
 bool ComputedStyle::isStyleAvailable() const
 {
     return this != StyleResolver::styleNotYetAvailable();
 }
@@ skipping 1638 matching lines @@
         if (value < 0)
             fvalue -= 0.5f;
         else
             fvalue += 0.5f;
     }
 
     return roundForImpreciseConversion<int>(fvalue / zoomFactor);
 }
 
 } // namespace blink