TBR: veyron/services/identity: Remove children method and add
glob invoker in place.

Change-Id: Ic1240865cfd4c9243d75b4fd95c28d0954a6c2f2
diff --git a/services/identity/server/identityd.go b/services/identity/server/identityd.go
index 3c70aa1..9ef16cb 100644
--- a/services/identity/server/identityd.go
+++ b/services/identity/server/identityd.go
@@ -186,7 +186,12 @@
 		dischargerService:   services.DischargerServer(discharger.NewDischarger()),
 		oauthBlesserService: blesser.NewOAuthBlesserServer(blesserParams),
 	})
-	d[""] = ipc.ChildrenGlobberInvoker(d.children()...)
+	// Set up the glob invoker.
+	var children []string
+	for k, _ := range d {
+		children = append(children, k)
+	}
+	d[""] = ipc.ChildrenGlobberInvoker(children...)
 	return d
 }
 
@@ -203,13 +208,6 @@
 	return nil, nil, verror.Make(verror.NoExist, nil, suffix)
 }
 
-func (d dispatcher) children() (children []string) {
-	for k, _ := range d {
-		children = append(children, k)
-	}
-	return children
-}
-
 func oauthBlesserParams(inputParams blesser.OAuthBlesserParams, servername string) blesser.OAuthBlesserParams {
 	inputParams.DischargerLocation = naming.Join(servername, dischargerService)
 	return inputParams