Chrome webRequest - Change 'Location' header

background.js

chrome.webRequest.onHeadersReceived.addListener(
    function(details) {
        var headers = details.responseHeaders,
            blockingResponse = {};
        var originalURL = details.url;
        for(var i = 0, l = headers.length; i < l; ++i) {
            /*
                That's right.
                I did it this way.
                What you gonna do now?
             */
            if(headers[i].name == 'Location' && headers[i].value.indexOf("/wait.html") != -1) {
                headers[i].value = originalURL;
                break;
            }
        }
        blockingResponse.responseHeaders = headers;
        return blockingResponse;
    },
    {urls: ["*://csgolounge.com/*", "*://dota2lounge.com/*"]},
    ["responseHeaders", "blocking"]
);