Control new behavior for the cancel dialog produced by the beforeunload event
Supported on: Microsoft Windows 7 or later
Registry
HKLM
Software\Policies\Google\Chrome HKCU
Software\Policies\Google\Chrome Value name: BeforeunloadEventCancelByPreventDefaultEnabled
Enabled: BeforeunloadEventCancelByPreventDefaultEnabled = 1
Disabled: BeforeunloadEventCancelByPreventDefaultEnabled = 0
Description
This policy is removed. It is not compatible with this version of Google Chrome. Read more at https://support.google.com/chrome/a/answer/7643500