GitLab

Prevents showing cached favicons for the previous page during a timing
bug while it's connecting to the new page.

Bug: chromium:907642
Change-Id: Ifb1cfa75ed8fbc6842ec9811b2b92bd10d2442b5
Reviewed-on: https://chromium-review.googlesource.com/c/1358921Reviewed-by: Sidney San Martín <sdy@chromium.org>
Commit-Queue: Peter Boström <pbos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#613189}