See https://github.com/webgpu-native/webgpu-headers/issues/179
Also changes WGPU_NULLABLE instead of /* nullable */ and make a couple
formatting fixes.
Bug: None
Change-Id: Ieb4315cddd3c806144892221fba11888171f072f
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/133102
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>