Begin's using Abseil's string formatting and new error context tracking
to dramatically improve the usefulness of validation messages. In
addition to putting in place several utilities to enable better messages
this change also updates the BindGroup buffers bindings validation
messages as a test for the new mechanisms.
Bug: dawn:563
Change-Id: Ie5bf5ffb24a9013cebd67745dc4172dfbc901e9a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/64201
Commit-Queue: Brandon Jones <bajones@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Brandon Jones