GitLab

This CL removes a call to OnTextInputStateChanged from
UpdateInputMethodObserver which could trigger a hide immediately
after a show.

Bug: 845780
Change-Id: I57e49ef011f3d3199ff9b72120d6388ebacc0847
Reviewed-on: https://chromium-review.googlesource.com/c/1338232Reviewed-by: Darren Shen <shend@chromium.org>
Commit-Queue: Steven Bennetts <stevenjb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609413}