We should fix this, but since Find In Page is only used by a small percentage of all Chrome users, this may not need to be release blocking.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/5281c619313d1974cc3e66374db525d531b1f465

commit 5281c619313d1974cc3e66374db525d531b1f465
Author: Elodie Banel <lod@google.com>
Date: Tue Nov 07 09:19:24 2017

Pin FindBarView to safe area.

Bug:  777890 
Cq-Include-Trybots: master.tryserver.chromium.mac:ios-simulator-cronet
Change-Id: I5ec7cebc3a3bd8af0aa1e85c0b7318f214a26413
Reviewed-on: https://chromium-review.googlesource.com/753375
Reviewed-by: Stepan Khapugin <stkhapugin@chromium.org>
Commit-Queue: Elodie Banel <lod@chromium.org>
Cr-Commit-Position: refs/heads/master@{#514427}
[modify] https://crrev.com/5281c619313d1974cc3e66374db525d531b1f465/ios/chrome/browser/ui/find_bar/find_bar_view.mm

Tested this bug today, this bug is not fixed in the following build

Build: 63.0.3239.48 beta
iOS: 11.1
Device: iPhone X

But, this Bug is fixed in latest 64.0.3267.0 Canary, please merge this fix 

This bug requires manual review: Less than 17 days to go before AppStore submit on M63
Please contact the milestone owner if you have questions.
Owners: cmasso@(Android), cmasso@(iOS), gkihumba@(ChromeOS), govind@(Desktop)

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

lod@ can we consider leaving this in M64 since it is not very critical for M63?

Sounds good.

Verified in 64.0.3282.75 beta, iPhone X iOS 11.2
Looks good.
https://drive.google.com/file/d/1HDCm59EciRVF_hqQHB1NA4fXXe17M-CK/view