tree b8d3e672bb574549c9b147c75f7b1522e60364cf
parent d18bd3183863308a7234f80cd501e519ac8c7def
author Joe Tsai <joetsai@digital-static.net> 1547495323 -0800
committer Joe Tsai <thebrokentoaster@gmail.com> 1547496611 +0000

protogen: use types.Universe.Names for list of builtin identifiers

Rather than maintaining our own list of builtin Go identifiers, use the
types.Universe API in the standard library instead.

It is okay if this list of names changes over time since we use this only
to derive a locally-used package name in the generated file.

Change-Id: Ib1688abc47d5c97b557f6e1f4d60c78e0951e65b
Reviewed-on: https://go-review.googlesource.com/c/157818
Reviewed-by: Damien Neil <dneil@google.com>