Fix some closure compilation issues 8n order to update compiler.jar

ui/webui/resources/js/cr/ui/controlled_indicator.js

Index: ui/webui/resources/js/cr/ui/controlled_indicator.js
diff --git a/ui/webui/resources/js/cr/ui/controlled_indicator.js b/ui/webui/resources/js/cr/ui/controlled_indicator.js
index 110d6975165908617d9b4bd674ec44c0ca35b892..fbf8f171e498c7f7db26dbb60fe41c844e98b774 100644
--- a/ui/webui/resources/js/cr/ui/controlled_indicator.js
+++ b/ui/webui/resources/js/cr/ui/controlled_indicator.js
@@ -33,14 +33,8 @@ cr.define('cr.ui', function() {
     },
 
     /**
-     * Shows an informational bubble displaying |content| and pointing at the
-     * |target| element. If |content| has focusable elements, they join the
-     * current page's tab order as siblings of |domSibling|.
+     * Shows an informational bubble displaying |content|.
      * @param {HTMLDivElement} content The content of the bubble.
-     * @param {HTMLElement} target The element at which the bubble points.
-     * @param {HTMLElement} domSibling The element after which the bubble is
-     *     added to the DOM.
-     * @param {cr.ui.ArrowLocation} location The arrow location.
      */
     showBubble: function(content) {
       this.hideBubble();
@@ -81,8 +75,8 @@ cr.define('cr.ui', function() {
 
       if (this.hasAttribute('text' + this.controlledBy))
         text = this.getAttribute('text' + this.controlledBy);
-      else if (this.controlledBy == 'extension' && this.extensionName)
-        text = defaultStrings.extensionWithName;
+      else if (this.controlledBy == 'extension' && this['extensionName'])
+        text = defaultStrings['extensionWithName'];
 
       return text || '';
     },