Compiling file_manager, part 2: remove all warnings not caused by Object.freeze()-like enums

ui/webui/resources/js/cr/ui/table/table_column.js

Index: ui/webui/resources/js/cr/ui/table/table_column.js
diff --git a/ui/webui/resources/js/cr/ui/table/table_column.js b/ui/webui/resources/js/cr/ui/table/table_column.js
index d8533a04e7186569f4c84ea7cdd53b00b2f3a612..ac14f30f41b0d73921b00177f8500b7ed6228d42 100644
--- a/ui/webui/resources/js/cr/ui/table/table_column.js
+++ b/ui/webui/resources/js/cr/ui/table/table_column.js
@@ -11,28 +11,23 @@ cr.define('cr.ui.table', function() {
 
   /**
    * A table column that wraps column ids and settings.
-   * @param {!Array} columnIds Array of column ids.
+   * @param {string} id
+   * @param {string} name
+   * @param {number} width
+   * @param {boolean=} opt_endAlign
    * @constructor
-   * @extends {EventTarget}
+   * @extends {cr.EventTarget}
    */
-  function TableColumn(id, name, width, endAlign) {
+  function TableColumn(id, name, width, opt_endAlign) {
     this.id_ = id;
     this.name_ = name;
     this.width_ = width;
-    this.endAlign_ = endAlign;
+    this.endAlign_ = !!opt_endAlign;
   }
 
   TableColumn.prototype = {
     __proto__: EventTarget.prototype,
 
-    id_: null,
-
-    name_: null,
-
-    width_: null,
-
-    endAlign_: false,
-
     defaultOrder_: 'asc',
 
     /**