githubのCSPを消すbackground.js

background.js

chrome.webRequest.onHeadersReceived.addListener(function (details) {
    for (var i = 0, l = details.responseHeaders.length; i < l; i++) {
        var res = details.responseHeaders[i];
        if (res.name.toLowerCase() !== 'content-security-policy')
            continue;
        res.value = '';
    }
    return {
        'responseHeaders': details.responseHeaders
    };
}, {
    'urls': ['https://github.com/*'],
    'types': ['main_frame']
}, [
    'blocking',
    'responseHeaders'
]);