Fix crash when using disallowed URLs in image sets for content CSS property

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 63 matching lines @@
     }
     return StyleGeneratedImage::create(value);
 }
 
 PassRefPtrWillBeRawPtr<StyleImage> ElementStyleResources::setOrPendingFromValue(CSSPropertyID property, const CSSImageSetValue& value)
 {
     if (value.isCachePending(m_deviceScaleFactor)) {
         m_pendingImageProperties.add(property);
         return StylePendingImage::create(value);
     }
-    return value.cachedImageSet(m_deviceScaleFactor);
+    return value.cachedImage(m_deviceScaleFactor);
 }
 
 PassRefPtrWillBeRawPtr<StyleImage> ElementStyleResources::cachedOrPendingFromValue(CSSPropertyID property, const CSSImageValue& value)
 {
     if (value.isCachePending()) {
         m_pendingImageProperties.add(property);
         return StylePendingImage::create(value);
     }
     value.restoreCachedResourceIfNeeded(*m_document);
     return value.cachedImage();
@@ skipping 47 matching lines @@
 
     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())
-        return imageSetValue->cacheImageSet(m_document, m_deviceScaleFactor, crossOrigin);
+        return imageSetValue->cacheImage(m_document, m_deviceScaleFactor, crossOrigin);
 
     ASSERT_NOT_REACHED();
     return nullptr;
 }
 
 void ElementStyleResources::loadPendingImages(ComputedStyle* style)
 {
     // We must loop over the properties and then look at the style to see if
     // a pending image exists, and only load that image. For example:
     //
@@ skipping 85 matching lines @@
     }
 }
 
 void ElementStyleResources::loadPendingResources(ComputedStyle* computedStyle)
 {
     loadPendingImages(computedStyle);
     loadPendingSVGDocuments(computedStyle);
 }
 
 }