See doc for concrete proposal:
https://docs.google.com/document/d/1C_bXDVhixR0DzJMKwa9aniXXHX04izx-NoeD71VSq5o/edit?usp=sharing
I propose we add:
1. Tab id: unique per session id which identifies the tab the page load occurred in
2. Previous source id: the previous source id in the tab the page load occurred in
3. Opener source id: The source id of the page load which opened this tab / window
Comment 1 by bugdroid1@chromium.org
, Aug 20