Remove GrMesh::SendToGpuImpl

Replaces GrMesh::SendToGpuImpl with direct draw(), drawIndexed(),
drawInstanced(), and drawIndexedInstanced() calls on GrOpsRenderPass.
For now these calls take the index/instance/vertex buffers, but we
will soon switch to binding those in a separate call.

Change-Id: I55d225b5695d88ecc661916c2aeb3f31d21e5585
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/273179
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>
12 files changed