In Developer Tools in "Elements" tab in "Event Listeners" section a number of properties are displayed per listener.
However, the actual listener function instances is not provided, only its position or text. This is clearly not enough when a wrapper function is involved, because its text says nothing.
See discussion https://groups.google.com/d/topic/google-chrome-developer-tools/NTcIS15uigA/discussion
Fixed in https://bugs.webkit.org/show_bug.cgi?id=109284