App Version: 64.0.3282.31 Beta
iOS Version: 10.3.3, 11.2
Device: iPhone only

Steps to reproduce:
1. Launch chrome and load web page acidtests.org
2. Tap on Acid2 button
3. Tap on Take the Acid2 Test link
4. Once the image loaded tap on back button
5. Tap on ‘the reference rendering’ image

Observed results:
Notice that the image drawn in step 4 is not same as image shown in step5

Expected results:
Image drawn should be same as rendering reference image

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: Not tested
Bug reproducible on Safari/Firefox: Firefox:No, Safari: No
Bug reproducible on current stable build (App Version, iOS Version): Yes on M63
Bug reproducible on the current beta channel build (App Version, iOS Version): Yes on M64 beta

Link to video/image:
https://drive.google.com/file/d/143GZujLQAnaz-K4Ipz1ATqmUq8nTIu_u/view?usp=sharing