Rename GrGLIRect to GrNativeRect

This will allow us to reuse the "setRelativeTo" logic in more places
than GL.

Bug: skia:
Change-Id: Ic67b211d2a1b27535187ddae8e4771f595dc0397
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/239414
Commit-Queue: Chris Dalton <csmartdalton@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
6 files changed