/**
* Try to catch errors in modules which don't do their own error handling.
+ *
* @class mw.errorLogger
* @singleton
*/
/**
* Install a window.onerror handler that will report via mw.track, while preserving
* any previous handler.
+ *
* @param {Object} window
*/
installGlobalHandler: function ( window ) {
/**
* Dumb window.onerror handler which forwards the errors via mw.track.
+ *
* @fires global_error
*/
window.onerror = function ( errorMessage, url, lineNumber, columnNumber, errorObject ) {