This reverts commit c8f1e3a5c0.
Reason for revert: check on ANGLE failure
Original change's description:
> Allow GrSurfaceProxy-derived classes to use flags when instantiating
>
> In some instances proxies must be created that, when instantiated, have no pending IO.
>
> This is split out of: (Add per-Flush callback to GrDrawingManager)
>
> https://skia-review.googlesource.com/c/8679/
>
> Change-Id: I68b5504d35ad436a4ae737ac4bb3c171fc9a5826
> Reviewed-on: https://skia-review.googlesource.com/8988
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Robert Phillips <robertphillips@google.com>
>
TBR=bsalomon@google.com,robertphillips@google.com,reviews@skia.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Change-Id: I157417c443028b2148ee355ce69c946a96bb9407
Reviewed-on: https://skia-review.googlesource.com/9066
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>