[iOS][MF] Add tests with an undocked keyboard

Bug: 924100
Change-Id: I76b42f78250d74d6d44e4878c3baf859870445fa
Reviewed-on: https://chromium-review.googlesource.com/c/1446353
Reviewed-by: David Jean <djean@chromium.org>
Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#627912}(cherry picked from commit 6ed5405c7cc5532606304c56363e14eafe8c3703)
Reviewed-on: https://chromium-review.googlesource.com/c/1452857
Reviewed-by: Javier Ernesto Flores Robles <javierrobles@chromium.org>
Cr-Commit-Position: refs/branch-heads/3683@{#183}
Cr-Branched-From: e51029943e0a38dd794b73caaf6373d5496ae783-refs/heads/master@{#625896}
2 files changed