tree de393109fc17dd23e4f806c265bfc235547907cb
parent 0080e68288c78240ab463b5285a2e9ef77d9b66c
author Damien Neil <dneil@google.com> 1565368364 -0700
committer Damien Neil <dneil@google.com> 1566333419 +0000

runtime/protoimpl: add ExtensionInfo alias

This is change 1/5 in a series of commits changing protoV1.ExtensionDesc
to directly implement protoreflect.ExtensionType.

1. [v2] Add protoimpl.ExtensionInfo as an alias for
   protoiface.ExtensionDescV1.

2. [v1] Update references to protoimpl.ExtensionInfo to use
   protoiface.ExtensionInfo.

3. [v2] Create protoimpl.ExtensionInfo (an alias to a new type in
   the impl package) and remove protoiface.ExtensionDescV1.

4. [v1] Remove unneeded explicit conversions between ExtensionDesc and
   ExtensionType (since the former now directly implements the latter).

5. [v2] Remove stub conversion functions.

Change-Id: If6c7fd5f55364613387a05e6f8e9aa38cbfcc5b5
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/189562
Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>