App Version: 70.0.3538.6 beta
iOS Version: 10.3.3, 11.4 beta
Device: iPhones7+,iPhone 8,iPhone 6

Precondition :
1- Have some history stored

Steps to reproduce:
1. Launch chrome in landscape mode.
2. Tap on Menu > History
3. Tap on search.
4. Long tap on any link
5. Change the device orientation to portrait mode.

Observed results:
Context menu and Keyboard are overlapped in portrait mode.

Expected results:
Keyboard should not be displayed on changing the device orientation.

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: NA
Bug reproducible on the current beta channel build :Yes in M69
Bug reproducible on the current beta channel build : Yes in M70

Link to Video :
https://drive.google.com/file/d/11vEgl1NiJkpMVEpD7eLp4A5Fzmp1aLNQ/view?usp=sharing