App Version: 65.0.3284.0 Canary
iOS Version: 11.1
Device: iPhone X ONLY
URL: na

Steps to reproduce:
  1. Launch Google Chrome in landscape mode.
  2. Open a new tab in landscape mode.
  3. Long press on any of the most visited tiles in ntp .
  4.When the context menu appears , change device orientation to portrait mode and tap on “Open in incognito mode”
  5. Tap on normal tab now.

Observed results: 
Fake omnibox goes missing.

Expected results: 
Fake omnibox should be present.

Number of times you were able to reproduce: 5/5
Bug reproducible after clean install: Yes
Bug reproducible after clearing cache and cookies: Yes
Bug reproducible on Chrome Mobile on Android: NA
Bug reproducible on Safari/Firefox: Firefox: NA, Safari: NA
Bug reproducible on current stable build (App Version, iOS Version): M62 Yes
Bug reproducible on the current beta channel build (App Version, iOS Version): M63 Yes
Link to video/image:
https://drive.google.com/a/google.com/file/d/1HVWspY5_m6BJZbBpc5BzFx4C5_hpD8Lk/view?usp=sharing