Remove CSS clients of ImageResource

sky/engine/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 19 matching lines @@
 
 namespace blink {
 
 ElementStyleResources::ElementStyleResources()
     : m_deviceScaleFactor(1)
 {
 }
 
 PassRefPtr<StyleImage> ElementStyleResources::styleImage(Document& document, const TextLinkColors& textLinkColors, Color currentColor, CSSPropertyID property, CSSValue* value)
 {
-    if (value->isImageValue())
-        return cachedOrPendingFromValue(document, property, toCSSImageValue(value));
-
     if (value->isImageGeneratorValue()) {
         if (value->isGradientValue())
             return generatedOrPendingFromValue(property, toCSSGradientValue(value)->gradientWithStylesResolved(textLinkColors, currentColor).get());
         return generatedOrPendingFromValue(property, toCSSImageGeneratorValue(value));
     }
 
-    if (value->isImageSetValue())
-        return setOrPendingFromValue(property, toCSSImageSetValue(value));
-
     return nullptr;
 }
 
 PassRefPtr<StyleImage> ElementStyleResources::generatedOrPendingFromValue(CSSPropertyID property, CSSImageGeneratorValue* value)
 {
     if (value->isPending()) {
         m_pendingImageProperties.set(property, value);
         return StylePendingImage::create(value);
     }
     return StyleGeneratedImage::create(value);
 }
 
-PassRefPtr<StyleImage> ElementStyleResources::setOrPendingFromValue(CSSPropertyID property, CSSImageSetValue* value)
-{
-    RefPtr<StyleImage> image = value->cachedOrPendingImageSet(m_deviceScaleFactor);
-    if (image && image->isPendingImage())
-        m_pendingImageProperties.set(property, value);
-    return image.release();
-}
-
-PassRefPtr<StyleImage> ElementStyleResources::cachedOrPendingFromValue(Document& document, CSSPropertyID property, CSSImageValue* value)
-{
-    RefPtr<StyleImage> image = value->cachedOrPendingImage();
-    if (image) {
-        if (image->isPendingImage())
-            m_pendingImageProperties.set(property, value);
-        else
-            value->restoreCachedResourceIfNeeded(document);
-    }
-    return image.release();
-}
-
 void ElementStyleResources::clearPendingImageProperties()
 {
     m_pendingImageProperties.clear();
 }
 
 }