Move Image ownership out of CSSValue

Source/core/css/CSSImageGeneratorValue.cpp

Index: Source/core/css/CSSImageGeneratorValue.cpp
diff --git a/Source/core/css/CSSImageGeneratorValue.cpp b/Source/core/css/CSSImageGeneratorValue.cpp
index c8deda1faed2cadad8adcc538d8827c612dcb18c..aba9af81c4d7ce08344b9e27182fff8fdf891ee8 100644
--- a/Source/core/css/CSSImageGeneratorValue.cpp
+++ b/Source/core/css/CSSImageGeneratorValue.cpp
@@ -171,17 +171,17 @@ IntSize CSSImageGeneratorValue::fixedSize(const LayoutObject* layoutObject)
     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();
     }
@@ -205,20 +205,20 @@ bool CSSImageGeneratorValue::knownToBeOpaque(const LayoutObject* layoutObject) c
     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();