borisyankov/DefinitelyTyped — pull request #1288 by pragmatrix (2013-11-19 11:53:59+00:00)
Title: add chrome.d.ts webrequest optional parameters

Hi, I've added the two missing parameters `filter` and `opt_extraInfoSpec` to the `chrome.webRequest.addListener` methods.

http://developer.chrome.com/extensions/webRequest.html#subscription