App Version: Chrome Beta 66.0.3359.30
iOS Version: iOS 10.3.3, iOS 11.2.6
Device: iPad 4, iPad, iPad Mini

Preconditions:
1. Chrome app installed

Steps to reproduce:
1. Launch Chrome
2. Navigate to any webpage
3. Select URL and copy URL
4. Tap tabswitcher

Observed results:
Word selection blue circles remain for a couple of seconds on tabswitcher

Expected results:
No word selection blue circles should remain

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: No, Safari: No
Bug reproducible on current stable build (App Version, iOS Version): Yes M65  
Bug reproducible on the current beta channel build (App Version, iOS Version): Yes M66

Link to video/image:
https://drive.google.com/open?id=1JkssNh9O-QOzpaMWxR3rNEM3hKR8_NIv