chrome.webRequest.onBeforeRequest.addListener(
    function() {
        return {
        	//Return our modified vPaid js file
        	redirectUrl: chrome.extension.getURL( "/js/override/twitch_vpaid_modified.js" )
        };
    },
    {
        urls: [
        	"https://images-na.ssl-images-amazon.com/images/G/01/d16g/kpw/vpaid.js"
        ]
    },
    ["blocking"]
);