Make PropertyReference value() return a const CSSValue&

third_party/WebKit/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 3247 matching lines @@
 {
     if (oldDocument == newDocument)
         return false;
     if (oldDocument.baseURL() == newDocument.baseURL())
         return false;
     const StylePropertySet* style = element.inlineStyle();
     if (!style)
         return false;
     for (unsigned i = 0; i < style->propertyCount(); ++i) {
         // FIXME: Should handle all URL-based properties: CSSImageSetValue, CSSCursorImageValue, etc.
-        if (style->propertyAt(i).value()->isImageValue())
+        if (style->propertyAt(i).value().isImageValue())
             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())
+            toCSSImageValue(property.value()).reResolveURL(document);
     }
 }
 
 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 454 matching lines @@
 
 DEFINE_TRACE_WRAPPERS(Element)
 {
     if (hasRareData()) {
         visitor->traceWrappers(elementRareData());
     }
     ContainerNode::traceWrappers(visitor);
 }
 
 } // namespace blink