Reland: Reland: Implement new Blink IDL attribute [SetReference]

Source/bindings/v8/custom/V8NodeListCustom.cpp

Index: Source/bindings/v8/custom/V8NodeListCustom.cpp
diff --git a/Source/bindings/v8/custom/V8NodeListCustom.cpp b/Source/bindings/v8/custom/V8NodeListCustom.cpp
index 479eadc19f5e58632e40cf7195c541c7f4402aff..20280a9134c98058979e8905bc85a8e8d3a1f3b1 100644
--- a/Source/bindings/v8/custom/V8NodeListCustom.cpp
+++ b/Source/bindings/v8/custom/V8NodeListCustom.cpp
@@ -41,15 +41,20 @@
 
 namespace WebCore {
 
-void* V8NodeList::opaqueRootForGC(void* object, v8::Isolate* isolate)
+void V8NodeList::resolveWrapperReachability(void* object, const v8::Persistent<v8::Object>& wrapper, v8::Isolate* isolate)
 {
     NodeList* impl = static_cast<NodeList*>(object);
-    if (!impl->isLiveNodeList())
-        return object;
+    if (!impl->isLiveNodeList()) {
+        setObjectGroup(object, wrapper, isolate);
+        return;
+    }
     Node* owner = static_cast<LiveNodeList*>(impl)->ownerNode();
-    if (!owner)
-        return object;
-    return V8GCController::opaqueRootForGC(owner, isolate);
+    if (!owner) {
+        setObjectGroup(object, wrapper, isolate);
+        return;
+    }
+
+    setObjectGroup(V8GCController::opaqueRootForGC(owner, isolate), wrapper, isolate);
 }
 
 } // namespace WebCore