Fix crash when setting invalid URL on content

third_party/WebKit/Source/core/css/resolver/ElementStyleResources.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google 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 116 matching lines @@
                 continue;
 
             // Stash the DocumentResource on the reference filter.
             ReferenceFilterBuilder::setDocumentResourceReference(referenceFilter, adoptPtr(new DocumentResourceReference(resource)));
         }
     }
 }
 
 RawPtr<StyleImage> ElementStyleResources::loadPendingImage(StylePendingImage* pendingImage, CrossOriginAttributeValue crossOrigin)
 {
-    if (CSSImageValue* imageValue = pendingImage->cssImageValue()) {
-        if (RawPtr<StyleImage> cachedImage = imageValue->cacheImage(m_document, crossOrigin))
-            return cachedImage.release();
-        return StyleInvalidImage::create(imageValue->url());
-    }
+    if (CSSImageValue* imageValue = pendingImage->cssImageValue())
+        return imageValue->cacheImage(m_document, crossOrigin);
 
     if (CSSImageGeneratorValue* imageGeneratorValue = pendingImage->cssImageGeneratorValue()) {
         imageGeneratorValue->loadSubimages(m_document);
         return StyleGeneratedImage::create(*imageGeneratorValue);
     }
 
     if (CSSCursorImageValue* cursorImageValue = pendingImage->cssCursorImageValue())
         return cursorImageValue->cacheImage(m_document, m_deviceScaleFactor);
 
     if (CSSImageSetValue* imageSetValue = pendingImage->cssImageSetValue())
@@ skipping 96 matching lines @@
     }
 }
 
 void ElementStyleResources::loadPendingResources(ComputedStyle* computedStyle)
 {
     loadPendingImages(computedStyle);
     loadPendingSVGDocuments(computedStyle);
 }
 
 } // namespace blink