GitLab

Add conditions which decides whether the "Send To My Devices" option
should be shown on the desktop Chrome menu.

Requirements are:
- Flag enabled
- Sync requirements:
  - User sync type enabled
  - 2 or more devices are synced
- Context requirements:
  - Is Http/Https
  - Not in a native page
  - Not in incognito mode

Bug: 926279
Change-Id: Ib93c99cdacc2bdb66960ec880b29978b8808f3f4
Reviewed-on: https://chromium-review.googlesource.com/c/1406170
Commit-Queue: Tina Wang <tinazwang@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#630626}