feat(chromium): roll Chromium to r647475 (#4240)
feat(chromium): roll Chromium to r647475 (#4240)

This roll includes:
- https://crrev.com/1549884 - DevTools: disable interception for
  data: URLs
puppeteer/puppeteer,GoogleChrome/puppeteer,puppeteer/puppeteer,GoogleChrome/puppeteer,GoogleChrome/puppeteer,puppeteer/puppeteer,puppeteer/puppeteer