Chromium change:
https://source.chromium.org/chromium/chromium/src/+/65eee63c0e75ebd343c409a7c14addb00ca4b6dd
[Tab Model] Deprecate tab_groups package
Merge the tab_groups/ package into tabmodel/. The two packages have
significant overlap and should really have a lot of their logic merged
anyway.
This allows us to package protect TabGroupModelFilterInternal and make
destroy method package private as well.
Fixed: 372068933