Part of a multi-step plan:
1) Add this option (which is *not* GL specific).
2) Disable this in Chromium at context-creation.
3) Finish adding the shader error handler, with default
behavior controlled via this flag, and remove Chromium
driver checks from the corresponding code at the same time.
Change-Id: I7e50c8404a05c1f291f187cf48481d0cbb34066a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211646
Reviewed-by: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
8518f2e56a