App Version: 69.0.3497.24
iOS Version: iOS 11.4
Device: iPad Only

Steps to reproduce:
1. Launch Chrome 
2. Navigate to any page
3. Long press on URL -> Copy
4. Open New Tab Page
5. Long Press in omnibox -> Paste and Go

Observed results: URL is not pasted in omnibox when using Paste and Go

Expected results: URL should be pasted in omnibox when using Paste and Go

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 Dolphin/Safari/Firefox: Safari : NA
Bug reproducible on the current beta channel build : Yes M69

Link to video/image:
https://drive.google.com/file/d/1bRc1Yrn7bN7P4Mh1cxqTDYDwlIjy1c5t/view