Revert "Revert "remove legacy support for old old picture versions""

This reverts commit 6f1151140f331c78d99ede3cac10462dc8b32cde.

Chrome has been updated, so this should be able to land.

Bug: skia:
Change-Id: I5a66782a39fecfac00edeb66fbd03dae4df1712c
Reviewed-on: https://skia-review.googlesource.com/90205
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
5 files changed