Just overide header before send request using webRequest.onBeforeSendHeaders
const filter = {
urls: ['*://*.google.com/*']
};
const session = electron.remote.session
session.defaultSession.webRequest.onBeforeSendHeaders(filter, (details, callback) => {
details.requestHeaders['Origin'] = null;
details.headers['Origin'] = null;
callback({ requestHeaders: details.requestHeaders })
});
put these codes in renderer process