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

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2006 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 2011 Apple Inc.
  *               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
@@ skipping 17 matching lines @@
 
 #include "core/CoreExport.h"
 #include "core/layout/LayoutImageResource.h"
 #include "core/layout/LayoutReplaced.h"
 #include "platform/loader/fetch/ResourceClient.h"
 
 namespace blink {
 
 class HTMLAreaElement;
 class HTMLMapElement;
+class PseudoElement;
 
 // LayoutImage is used to display any image type.
 //
 // There is 2 types of images:
 // * normal images, e.g. <image>, <picture>.
 // * content images with "content: url(path/to/image.png)".
 // We store the type inside  m_isGeneratedContent.
 //
 // The class is image type agnostic as it only manipulates decoded images.
 // See LayoutImageResource that holds this image.
 class CORE_EXPORT LayoutImage : public LayoutReplaced {
  public:
   // These are the paddings to use when displaying either alt text or an image.
   static const unsigned short paddingWidth = 4;
   static const unsigned short paddingHeight = 4;
 
   LayoutImage(Element*);
   ~LayoutImage() override;
 
-  static LayoutImage* createAnonymous(Document*);
+  static LayoutImage* createAnonymous(PseudoElement&);
 
   void setImageResource(LayoutImageResource*);
 
   LayoutImageResource* imageResource() { return m_imageResource.get(); }
   const LayoutImageResource* imageResource() const {
     return m_imageResource.get();
   }
   ImageResourceContent* cachedImage() const {
     return m_imageResource ? m_imageResource->cachedImage() : 0;
   }
@@ skipping 73 matching lines @@
   // This field stores whether this image is generated with 'content'.
   bool m_isGeneratedContent;
   float m_imageDevicePixelRatio;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutImage, isLayoutImage());
 
 }  // namespace blink
 
 #endif  // LayoutImage_h