[Translate] Update translate bubble tab title and revert button in advanced view

This Cl allows the tab title to be automatically updated based on user language selection.

Complete revert button in advanced view to reset language to default.

Bug: 963148
Change-Id: I69dfecbee8818bb7e130e293227b382ad592bf83
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1653575
Reviewed-by: anthonyvd <anthonyvd@chromium.org>
Reviewed-by: Alexandre Frechette <frechette@chromium.org>
Commit-Queue: Haohao Wang <hhw@google.com>
Cr-Commit-Position: refs/heads/master@{#668474}
2 files changed