Re-enable deferred proxies in Chrome

Now that https://skia-review.googlesource.com/c/14605/ (Allow TextureSamplers to have null GrTexture pointer) has landed we should be able to re-enable deferred proxies in Chrome.

Bug: 715488
Change-Id: Ibd38e5ddf0558b94f09e29f17837e6abfd22fa34
Reviewed-on: https://skia-review.googlesource.com/15252
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
3 files changed