Corentin Wallez f35eff3fde Remove BindGroupBuilder::SetUsage
BindGroup usage isn't something that's part of WebGPU's sketch.idl and
it might never exist. Remove it to simplify the migration of bindgroup
to descriptor.

Change-Id: I21e0a98eb60434d4009e748cd9afcbf89edd7e6a
2018-08-21 02:27:12 -04:00
..