UserAgent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/52.0.2743.116 Safari/537.36

Steps to reproduce the problem:
1. DOM element with "will-change: transform" property
2. child element with "position: absolute"

Different offset parrent in chrome and FF, can try in:
https://jsfiddle.net/ank9wpbm/22/

with "display: inline-table" :
https://jsfiddle.net/ank9wpbm/18/

Similar issue, but nothing is said about offsetParent:
https://bugs.chromium.org/p/chromium/issues/detail?id=600934

What is the expected behavior?
The child element is positioned relative to its parent and have correct parentOffset (parent with "will-change: transform" property)

What went wrong?
 The child element is positioned relative to its parent, BUT offsetParent = BODY

Did this work before? Yes This is regression issue broken in M-36.

Chrome version: 52.0.2743.116  Channel: n/a
OS Version: 10.0
Flash Version: Shockwave Flash 22.0 r0