App Version: 69.0.3497.22
iOS Version: iOS 10.3.3,11.4,12  
Device: iPhones only

Precondition :
1- Set the device font to full from device settings
Device settings > General > Accessibility > LargeText > On > Scroll the cursor to extreme right. 

Steps to reproduce:
1. Launch Chrome 
2. Tap on tabswithcer 

Observed results: 
Close all and + button truncates

Expected results: 
Close all and + button should not truncate.

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 : NA, New UI in M69
Bug reproducible on the current beta channel build : Yes in M69

Link to video/image:
https://drive.google.com/file/d/1JkfHgKfbctZefiCZgIw8OZdO7-XitFmd/view?usp=sharing