GitLab

Getting application locale may need to read disk, and that causes NTP to
crash

This CL fixes the issue by using the acceptLanguages instead, and
also fixes the TileManager logic to support AcceptLanguages

Bug: 1082649
Change-Id: I5212baf40d6f7cd0344d2dd0267eaafaf31156cc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2200667Reviewed-by: David Trainor <dtrainor@chromium.org>
Commit-Queue: Min Qin <qinmin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#768772}