[css-display] Support display: contents pseudo-elements.

third_party/WebKit/Source/core/layout/LayoutImage.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009, 2010, 2011 Apple Inc.
  *               All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011-2012. All rights reserved.
@@ skipping 35 matching lines @@
 using namespace HTMLNames;
 
 LayoutImage::LayoutImage(Element* element)
     : LayoutReplaced(element, LayoutSize()),
       m_didIncrementVisuallyNonEmptyPixelCount(false),
       m_isGeneratedContent(false),
       m_imageDevicePixelRatio(1.0f) {}
 
 LayoutImage* LayoutImage::createAnonymous(PseudoElement& pseudo) {
   LayoutImage* image = new LayoutImage(nullptr);
-  image->setDocumentForAnonymous(&pseudo.document());
+  image->setPseudoForAnonymous(pseudo);
   return image;
 }
 
 LayoutImage::~LayoutImage() {}
 
 void LayoutImage::willBeDestroyed() {
   ASSERT(m_imageResource);
   m_imageResource->shutdown();
   LayoutReplaced::willBeDestroyed();
 }
@@ skipping 257 matching lines @@
 
   ImageResourceContent* cachedImage = m_imageResource->cachedImage();
   if (cachedImage && cachedImage->getImage() &&
       cachedImage->getImage()->isSVGImage())
     return toSVGImage(cachedImage->getImage())->embeddedReplacedContent();
 
   return nullptr;
 }
 
 }  // namespace blink