Move Image ownership out of CSSValue

Source/core/css/CSSImageGeneratorValue.cpp

 /*
  * Copyright (C) 2008 Apple Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 153 matching lines @@
     case LinearGradientClass:
         return toCSSLinearGradientValue(this)->fixedSize(layoutObject);
     case RadialGradientClass:
         return toCSSRadialGradientValue(this)->fixedSize(layoutObject);
     default:
         ASSERT_NOT_REACHED();
     }
     return IntSize();
 }
 
-bool CSSImageGeneratorValue::isPending() const
+bool CSSImageGeneratorValue::isPending(CSSStyleImageMap& imageMap) const
 {
     switch (classType()) {
     case CrossfadeClass:
-        return toCSSCrossfadeValue(this)->isPending();
+        return toCSSCrossfadeValue(this)->isPending(imageMap);
     case CanvasClass:
-        return toCSSCanvasValue(this)->isPending();
+        return toCSSCanvasValue(this)->isPending(imageMap);
     case LinearGradientClass:
-        return toCSSLinearGradientValue(this)->isPending();
+        return toCSSLinearGradientValue(this)->isPending(imageMap);
     case RadialGradientClass:
-        return toCSSRadialGradientValue(this)->isPending();
+        return toCSSRadialGradientValue(this)->isPending(imageMap);
     default:
         ASSERT_NOT_REACHED();
     }
     return false;
 }
 
 bool CSSImageGeneratorValue::knownToBeOpaque(const LayoutObject* layoutObject) const
 {
     switch (classType()) {
     case CrossfadeClass:
         return toCSSCrossfadeValue(this)->knownToBeOpaque(layoutObject);
     case CanvasClass:
         return false;
     case LinearGradientClass:
         return toCSSLinearGradientValue(this)->knownToBeOpaque(layoutObject);
     case RadialGradientClass:
         return toCSSRadialGradientValue(this)->knownToBeOpaque(layoutObject);
     default:
         ASSERT_NOT_REACHED();
     }
     return false;
 }
 
-void CSSImageGeneratorValue::loadSubimages(Document* document)
+void CSSImageGeneratorValue::loadSubimages(Document* document, CSSStyleImageMap& images)
 {
     switch (classType()) {
     case CrossfadeClass:
-        toCSSCrossfadeValue(this)->loadSubimages(document);
+        toCSSCrossfadeValue(this)->loadSubimages(document, images);
         break;
     case CanvasClass:
-        toCSSCanvasValue(this)->loadSubimages(document);
+        toCSSCanvasValue(this)->loadSubimages(document, images);
         break;
     case LinearGradientClass:
-        toCSSLinearGradientValue(this)->loadSubimages(document);
+        toCSSLinearGradientValue(this)->loadSubimages(document, images);
         break;
     case RadialGradientClass:
-        toCSSRadialGradientValue(this)->loadSubimages(document);
+        toCSSRadialGradientValue(this)->loadSubimages(document, images);
         break;
     default:
         ASSERT_NOT_REACHED();
     }
 }
 
 } // namespace blink