Document* -> Document& for loadSubimages and friends.

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

 /*
  * 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 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 13 matching lines @@
 #include "core/style/StyleFetchedImage.h"
 
 #include "core/css/CSSImageValue.h"
 #include "core/fetch/ImageResource.h"
 #include "core/layout/LayoutObject.h"
 #include "core/svg/graphics/SVGImage.h"
 #include "core/svg/graphics/SVGImageForContainer.h"
 
 namespace blink {
 
-StyleFetchedImage::StyleFetchedImage(ImageResource* image, Document* document, const KURL& url)
+StyleFetchedImage::StyleFetchedImage(ImageResource* image, Document& document, const KURL& url)
     : m_image(image)
-    , m_document(document)
+    , m_document(&document)

[sashab, 2016/09/22 00:24:32]

Can this be Document&? :)

     , m_url(url)
 {
     m_isImageResource = true;
     m_image->addClient(this);
     ThreadState::current()->registerPreFinalizer(this);
 }
 
 StyleFetchedImage::~StyleFetchedImage()
 {
 }
@@ skipping 96 matching lines @@
 
 DEFINE_TRACE(StyleFetchedImage)
 {
     visitor->trace(m_image);
     visitor->trace(m_document);
     StyleImage::trace(visitor);
     ResourceClient::trace(visitor);
 }
 
 } // namespace blink