App Version: 69.0.3847.0 canary
iOS Version: 11.4.1, 11.4. 12 beta 3
Device: iPhone X, iPad
URL: rediff.com

Steps to reproduce:
  1.   Launch chrome canary
  2.  Open reddif.com page
  3.  Scroll down the page.
  4.  While the page is scrolling down tap on the URL on top 

Observed results:
Notice that the omnibox gets active for a moment and gets back to full screen again.

Expected results:
Omnibox should get in active state displaying the box fully

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: No, Safari: No
Bug reproducible on current stable build (App Version, iOS Version): NA on M67
Bug reproducible on the current beta channel build (App Version, iOS Version): NA on M68

Link to video/image: https://drive.google.com/file/d/1Lmq_NHauAfe4ssGrfJSwGyVJ3T8j6RM6/view?usp=sharing