App Version: 59.0.3062.0 Canary
iOS Version: 10.2.1, 10.3
Device: iPhone only
URL: 

Enable Ais: 
Go to iOS Device settings Chrome Canary -> Experimental Settings -> Append Extra Flags- Turn On 
In Flag1 add this text “--enable-features=NewOmniboxAnswerTypes”

Steps to reproduce:
  1. Launch Google Chrome
  2. Go to google.com
  3. Change device mode to landscape
  4. Enter define socialism (make sure definition is long enough)
  5. Change device mode to portrait.

Observed results: 
Definition (Ais) is not truncated with ellipsis when changing device from landscape to portrait.
Note:
Same search in chrome omnibox is truncated with ellipsis when changing device from landscape to portrait.

Expected results: 
Definition (Ais) should be truncated with ellipsis when changing device from landscape to portrait.

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 Safari/Firefox: Firefox: NA, Safari: NA
Bug reproducible on current stable build (App Version, iOS Version): M57 No (New feature)
Bug reproducible on the current beta channel build (App Version, iOS Version): M58 No (New feature)

Link to video/image: 
https://drive.google.com/a/google.com/file/d/0B3EcbqLuR5TLcTkwaHB4U0xEOVU/view