App Version: 72.0.3626.65 Beta
iOS Version: 11.4.1, 12.0.1, 12.1.3
Devices: iPhone 6 plus, iPhone X, iPhone 8, iPad 6th gen, iPad Pro

Scenario 1(iPhones)
Steps to reproduce:
Launch iOS Chrome
Navigate to “https://itunes.apple.com/en/app/google-street-view/id904418768?mt=8”
Tap on “Done” button.

Scenario 2(iPads)
Steps to reproduce:
Launch iOS Chrome
Navigate to “https://itunes.apple.com/en/app/google-street-view/id904418768?mt=8”
Tap on “Done” button.
Tap on Omnibox

Observed results:
On iPhones:
Navigating back to NTP after accessing storekit screen displays blank screen

On iPads:
Omnibox freezes on navigating back to NTP after accessing storekit screen

Expected results:
Navigating back to NTP after accessing storekit screen should display the NTP screen

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 Safari/Firefox: Firefox: NA, Safari: NA
Bug reproducible on the current stable build :M71, No
Bug reproducible on the current beta channel build : M72, Yes

Type-bug-regression? Yes

Good build: 72.0.3609.3
Revision No: 7e51571a56ab

Bad build: 72.0.3610.0
Revision No: 5bb637264a2f

Link to Image/Video:
M72
iPhone: https://drive.google.com/open?id=1fjbLv8j6QAKZrFgN9Bf7CezNsWuUSNE-

iPad: https://drive.google.com/open?id=1X25RABM7cCaoCPZqpKnziBx0geTGP1Hs

M71
iPhone: https://drive.google.com/open?id=1cYir4Wn_DYMzc6-0yfReqM-LVEzfe1XW

iPad: https://drive.google.com/open?id=1ihLtm9N-DmvGCvBvGBDL3wuuFjHXB_dT