Move Image ownership out of CSSValue

Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 3086 matching lines @@
             return true;
     }
     return false;
 }
 
 static void reResolveURLsInInlineStyle(const Document& document, MutableStylePropertySet& style)
 {
     for (unsigned i = 0; i < style.propertyCount(); ++i) {
         StylePropertySet::PropertyReference property = style.propertyAt(i);
         // FIXME: Should handle all URL-based properties: CSSImageSetValue, CSSCursorImageValue, etc.
-        if (property.value()->isImageValue())
-            toCSSImageValue(property.value())->reResolveURL(document);
+        if (property.value()->isImageValue()) {
+            const CSSImageValue& image = toCSSImageValue(*property.value());
+            String relativeUrl = image.relativeUrl();
+            String absoluteUrl = image.url();
+            if (document.completeURL(relativeUrl) == absoluteUrl)
+                continue;
+            style.removeProperty(property.id());
+            style.setProperty(property.id(), CSSImageValue::create(relativeUrl, absoluteUrl));
+        }
     }
 }
 
 void Element::didMoveToNewDocument(Document& oldDocument)
 {
     Node::didMoveToNewDocument(oldDocument);
 
     // If the documents differ by quirks mode then they differ by case sensitivity
     // for class and id names so we need to go through the attribute change logic
     // to pick up the new casing in the ElementData.
@@ skipping 378 matching lines @@
 {
 #if ENABLE(OILPAN)
     if (hasRareData())
         visitor->trace(elementRareData());
     visitor->trace(m_elementData);
 #endif
     ContainerNode::trace(visitor);
 }
 
 } // namespace blink