GitLab

Remove unused keyboard flag kEnableExperimentalInputViewFeatures which
is faulty now.

Bug: 880659
Change-Id: Ia4bb8ec3cfd4f38393fe9e6f270563fc7c313245
Reviewed-on: https://chromium-review.googlesource.com/1212427Reviewed-by: Yuichiro Hanada <yhanada@chromium.org>
Commit-Queue: Leo Zhang <googleo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#589854}