Clean up GrResourceProvider usage

The only substantive changes are the removal of GrProxy instantiation in:

SkGpuBlurUtils::GaussianBlur
GrSimpleTextureEffect::Make*

Change-Id: I10970609693bd6ff5b3a3c21b41d82642bb277bc
Reviewed-on: https://skia-review.googlesource.com/19965
Reviewed-by: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
99 files changed