GitLab

Added AppBrowserController::HasTabstrip to allow
System Web Apps to turn on browser FEATURE_TABSTRIP.

The tabstrip is required for CrOS chrome://terminal.

Bug: 846546
Change-Id: I3f1a6ebafd7b32be51bde17d7ad31526b8cd1ef3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1714121Reviewed-by: Dana Fried <dfried@chromium.org>
Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Reviewed-by: Alan Cutter <alancutter@chromium.org>
Commit-Queue: Joel Hockey <joelhockey@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683417}