WebUI TaskManager: Delay scripts loading.

chrome/browser/resources/shared/js/cr/ui/context_menu_handler.js

Index: chrome/browser/resources/shared/js/cr/ui/context_menu_handler.js
diff --git a/chrome/browser/resources/shared/js/cr/ui/context_menu_handler.js b/chrome/browser/resources/shared/js/cr/ui/context_menu_handler.js
index c413229adbbc7a278967f59c01c71e40c4ba1a4f..f68cd0ae090c31b88135658bf8a0c4d903069f97 100644
--- a/chrome/browser/resources/shared/js/cr/ui/context_menu_handler.js
+++ b/chrome/browser/resources/shared/js/cr/ui/context_menu_handler.js
@@ -211,6 +211,18 @@ cr.define('cr.ui', function() {
           return this.getBoundingClientRect();
         };
       }
+    },
+
+    /**
+     * Sets the given contextMenu to the given element. A contextMenu property
+     * would be added if necessary.
+     * @param {!Element} element The element or class to set the contextMenu to.
+     * @param {!cr.ui.Menu} contextMenu The contextMenu property to be set.
+     */
+    setContextMenu: function(element, contextMenu) {
+      if (!element.contextMenu)
+        this.addContextMenuProperty(element);
+      element.contextMenu = contextMenu;
     }
   };