dan sinclair e4039c76c7 Move the Extension builtin to the builtin/ folder.
This CL moves Extension from ast:: to builtin::

Change-Id: Ica1e6f4f9229341b547011389d47ae3be9830b0d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/120362
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
2023-02-17 21:58:59 +00:00
..
2022-04-07 14:43:05 +00:00
2022-05-01 14:40:55 +00:00
2022-04-07 14:43:05 +00:00
2022-05-01 14:40:55 +00:00