tree eb9a3b98ad431e4d7832322c078a5368e4cd6a22
parent 1726b83dc419f59f5bd75bef4ae0278aab68283f
author Joe Tsai <joetsai@digital-static.net> 1593131732 -0700
committer Joe Tsai <joetsai@digital-static.net> 1593626162 +0000

reflect/protoregistry: centralize MessageSet extension resolution logic

Centralize the MessageSet extension resolution logic in the registry.
This avoids needless replication of this exact logic in multiple places
(for JSON and text) and elsewhere.

Change-Id: I70bfea899e295e8c589f418965bf0dd099f93628
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/240077
Reviewed-by: Herbie Ong <herbie@google.com>