[ios] Fix 'newtab?' layout.

Bug: 860129
Cq-Include-Trybots: luci.chromium.try:ios-simulator-full-configs;master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: I6dec83e03cc51b5ce8239aebd8a5e22639a1996d
Reviewed-on: https://chromium-review.googlesource.com/1139633
Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Commit-Queue: Justin Cohen <justincohen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#575660}
1 file changed