Update the function signature of requestUpdateCheck according to the documentation.
@@ -2540,9 +2540,11 @@ chrome.runtime.reload = function() {};
/**
- * @param {function(string, !Object=): void} callback Called with "throttled",
- * "no_update", or "update_available". If an update is available, the object
- * contains more information about the available update.
+ * @see https://developer.chrome.com/apps/runtime#method-requestUpdateCheck
+ * @param {function(string, !{version: string}=): void} callback Called with
+ * "throttled", "no_update", or "update_available". If an update is
+ * available, the object contains more information about the available
+ * update.
* @return {undefined}
*/
chrome.runtime.requestUpdateCheck = function(callback) {};
