GitLab

Update most .mojom files to use mojo_base.mojom.String16. This implicit
conversion adds extra UTF8<->UTF16 conversions and makes mojo definitions
less self documenting.

CredentialManager is the last hold out. Fixing that and removing
string_traits_string16.cc/h is punted for now.

Bug: 816970
Change-Id: Ibf214e8f4096616291ff493f5ddf5c79c6a16cf4
Reviewed-on: https://chromium-review.googlesource.com/920688
Commit-Queue: Evan Stade <estade@chromium.org>
Reviewed-by: Balazs Engedy <engedy@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Ken Rockot <rockot@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#539553}