nsBookmarksService::OnChange(nsIRDFDataSource* aDataSource, nsIRDFResource* aSource, nsIRDFResource* aProperty, nsIRDFNode* aOldTarget, nsIRDFNode* aNewTarget)
nsBookmarksService::OnChange(nsIRDFResource* aSource, nsIRDFResource* aProperty, nsIRDFNode* aOldTarget, nsIRDFNode* aNewTarget)
nsBookmarksService::OnChange(nsIRDFDataSource* aDataSource,                 nsIRDFResource* aSource,                 nsIRDFResource* aProperty,                 nsIRDFNode* aOldTarget,                 nsIRDFNode* aNewTarget){    if (mUpdateBatchNest != 0)  return NS_OK;    PRInt32 count = mObservers.Count();    for (PRInt32 i = 0; i < count; ++i)    {        (void) mObservers[i]->OnChange(this, aSource, aProperty, aOldTarget, aNewTarget);    }    return NS_OK;}