nsILoadGroup* aLoadGroup,
nsISupports * aLoadContext,
ImageNetContextImpl::ImageNetContextImpl(NET_ReloadMethod aReloadPolicy,                                         nsILoadGroup* aLoadGroup,                                         nsReconnectCB aReconnectCallback,                                         void* aReconnectArg){  NS_INIT_REFCNT();  mRequests = nsnull;  mLoadGroup = getter_AddRefs(NS_GetWeakReference(aLoadGroup));  mReloadPolicy = aReloadPolicy;  mReconnectCallback = aReconnectCallback;  mReconnectArg = aReconnectArg;}