diff --git a/closure/goog/ui/modalpopup.js b/closure/goog/ui/modalpopup.js
index <HASH>..<HASH> 100644
--- a/closure/goog/ui/modalpopup.js
+++ b/closure/goog/ui/modalpopup.js
@@ -157,8 +157,8 @@ goog.ui.ModalPopup.prototype.getCssClass = function() {
 
 /**
  * Returns the background iframe mask element, if any.
- * @return {Element} The background iframe mask element.
- * @protected
+ * @return {Element} The background iframe mask element, may return
+ *     null/undefined if the modal popup does not use iframe mask.
  */
 goog.ui.ModalPopup.prototype.getBackgroundIframe = function() {
   return this.bgIframeEl_;
Remove @protected from getBackgroundIframe() function. The main purpose is so
that the caller can add a classname to the iframe.

R=chrishenry
DELTA=2  (0 added, 0 deleted, 2 changed)


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