This reverts commit 8b6788079f.
Reason for revert: Fixed variable type for chrome & flutter
Basically, you can't use objc_externally_retained with `auto` type
variables because the compiler isn't smart enough to deduce the type
before checking that it's compatible with the attribute.
Original change's description:
> Revert "Use objc_externally_retained to cut down retain/release in Metal"
>
> This reverts commit 78381ee5e0.
>
> Reason for revert: breaking chromium and flutter mac builds
>
> Original change's description:
> > Use objc_externally_retained to cut down retain/release in Metal
> >
> > Until we get off of ARC, these extra retains and releases can really
> > add up in previous profiling of Metal, especially on iOS.
> >
> > Change-Id: Ib3aaa0b863c4469bdb6ad930395a170719c0293d
> > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/381110
> > Commit-Queue: Adlai Holler <adlai@google.com>
> > Reviewed-by: Jim Van Verth <jvanverth@google.com>
> > Reviewed-by: Brian Salomon <bsalomon@google.com>
>
> TBR=jvanverth@google.com,bsalomon@google.com,adlai@google.com
>
> Change-Id: I36aff7698a70052a42b91a910b92fd512b3eecd4
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/388717
> Reviewed-by: Michael Ludwig <michaelludwig@google.com>
> Commit-Queue: Michael Ludwig <michaelludwig@google.com>
Change-Id: I5cad02fc9d8c7f21e22021858b2e6e9b038a3de6
Cq-Include-Trybots: luci.skia.skia.primary:Canary-Flutter
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/389157
Commit-Queue: Adlai Holler <adlai@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
194b239e09