App Version: M63.0.3239.33 beta
iOS Version: 11.2 only
Device: iPhone only
URL: any

Steps to reproduce:
  1. Launch Google Chrome
  2. Open multiple new tabs
  3. Navigate to any https page (ex: google.com)
  4. Long tap and swipe omnibox to initiate tab switching

Observed results: Observe that the green page indicator turns into black

Expected results: Page security indicator color shouldn't change

Note: Works fine in iOS11.1 

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/file/d/1nRUl3KGcG-aBYr2hPw3QtK07V8O50sbp/view