Lots of methods by that name, so finding remaining uses will be hard.
https://codesearch.wmflabs.org/deployed/?q=-%3EgetSize%5C(%5C)&i=nope&files=&repos=
There are a number of methods with the same name, making searching for existing uses hard. That being said, I believe the only remaining uses are:
- RevisionStoreDbTestBase
- RevisionDbTest
- RevisionTest
Thus, I believe that we can hard deprecate the method. If I missed any of the uses, there would be some logspam, but no code should break. Once the deprecation is merged, I'll leave a note on the blockers task for the week with a heads-up