Chrome: 66


Filed upstream: https://github.com/GoogleChrome/puppeteer/issues/2068

Run the following pptr script (using pptr v1.1.0):


const puppeteer = require('puppeteer');
(async () => {
  const browser = await puppeteer.launch();
  const page = await browser.newPage();
  page.on('request', r => console.log(
      r.headers()['x-devtools-emulate-network-conditions-client-id']
  ));
  await page.goto('http://foo.bar/').catch(e => void 0);
  await browser.close();
})();