GitLab

Initial version shows predictably 29 network errors:
- 28x times https://abs.twimg.com/k/en-gb/13.hls.js.en-gb.43b6de858df39857f6b2.js
-  1x https://twitter.com/manifest.json

Bug: 878390
Change-Id: Ifa4dd5dae68f1450d47d22241f094a6e454593cd
Reviewed-on: https://chromium-review.googlesource.com/1219003
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Juan Antonio Navarro Pérez <perezju@chromium.org>
Cr-Commit-Position: refs/heads/master@{#595794}