An object lifecycle issues flaw was found in the Chrome Custom Tab component of the Chromium browser. Upstream bug(s): https://code.google.com/p/chromium/issues/detail?id=798933 External References: https://chromereleases.googleblog.com/2018/03/stable-channel-update-for-desktop.html
Created chromium tracking bugs for this issue: Affects: fedora-all [bug 1552502] Affects: epel-7 [bug 1552504]
Chrome Custom Tab is a feature of the Android version of Chrome, so this issue should not be applicable to Chrome/Chromium versions on other operating systems.