Compile print_preview, part 3: reduce down to 185 errors

chrome/browser/resources/print_preview/search/destination_list_item.js

Index: chrome/browser/resources/print_preview/search/destination_list_item.js
diff --git a/chrome/browser/resources/print_preview/search/destination_list_item.js b/chrome/browser/resources/print_preview/search/destination_list_item.js
index 9f843ee0288191b2626bbc01bcff4b65a18c8575..5b26f43827d91255b5211ef58ff09f93d6a1d30c 100644
--- a/chrome/browser/resources/print_preview/search/destination_list_item.js
+++ b/chrome/browser/resources/print_preview/search/destination_list_item.js
@@ -11,11 +11,11 @@ cr.define('print_preview', function() {
    *     events to.
    * @param {!print_preview.Destination} destination Destination data object to
    *     render.
-   * @param {RegExp} query Active filter query.
+   * @param {RegExp=} opt_query Active filter query.
    * @constructor
    * @extends {print_preview.Component}
    */
-  function DestinationListItem(eventTarget, destination, query) {
+  function DestinationListItem(eventTarget, destination, opt_query) {
     print_preview.Component.call(this);
 
     /**
@@ -34,10 +34,10 @@ cr.define('print_preview', function() {
 
     /**
      * Active filter query text.
-     * @type {RegExp}
+     * @type {(RegExp|undefined)}
      * @private
      */
-    this.query_ = query;
+    this.query_ = opt_query;

[Aleksey Shlyapnikov, 2014/09/22 22:00:40]

Can we have it this way:
@type {RegExp}
and
this.query_ = opt_query || null;

[Vitaly Pavlenko, 2014/09/22 22:33:11]

Done, with {?RegExp}.

 
     /**
      * FedEx terms-of-service widget or {@code null} if this list item does not