Chrome extension access webrequest headers -

Chrome extension access webrequest headers -

i'm trying write simple extension deed on request headers.

in documentation there chrome.webrequest, have no thought how create work....

when set listener content page, chrome.webrequest undefined, when set background section, totally nil happens...

manifest

{ "manifest_version": 2, "name": "requestspy", "version": "0.1", "description": "http/s request analizer", "background": [ { "scripts": ["scripts.js"] } ], "icons":{ "128":"spy.png" }, "permissions": [ "*://*/*","webrequest" ] }

script.js

alert('haha'); chrome.webrequest.onheadersreceived.addlistener(function(details){ console.log(details); alert('huhu'); });

any help?

manifest.json

{ "name": "onrequest", "version": "1.0", "description": "i can't has cheezburger!", "permissions": ["webrequest", "webrequestblocking", "http://*/*", "https://*/*"], "background": { "scripts": ["background.js"] }, "manifest_version": 2 }

background.js

chrome.webrequest.onheadersreceived.addlistener(function(e){ alert("onheadersreceived");},{urls: ["http://*/*", "https://*/*"]}, ["blocking"] );

google-chrome google-chrome-extension