Down Integrate Internal Changes
diff --git a/js/map.js b/js/map.js
index 589a293..ab852e4 100644
--- a/js/map.js
+++ b/js/map.js
@@ -208,13 +208,13 @@
   }
 };
 
-if (typeof(Symbol) != 'undefined') {
-  /** @override */
-  jspb.Map.ArrayIteratorIterable_.prototype[Symbol.iterator] = function() {
-    return this;
-  };
-}
 
+if (typeof(Symbol) != 'undefined') {
+/** @override */
+jspb.Map.ArrayIteratorIterable_.prototype[Symbol.iterator] = function() {
+  return this;
+};
+}
 
 /**
  * Returns the map's length (number of key/value pairs).