Convert GrBuffer owners to sk_sp

Change-Id: Id49d775c30f01f4de05f385227c5ed5d90d6839e
Reviewed-on: https://skia-review.googlesource.com/c/187920
Commit-Queue: Brian Salomon <bsalomon@google.com>
Reviewed-by: Greg Daniel <egdaniel@google.com>
diff --git a/src/gpu/ccpr/GrCCPathProcessor.cpp b/src/gpu/ccpr/GrCCPathProcessor.cpp
index 8ea06bd..81c57dd 100644
--- a/src/gpu/ccpr/GrCCPathProcessor.cpp
+++ b/src/gpu/ccpr/GrCCPathProcessor.cpp
@@ -130,10 +130,10 @@
     GrMesh mesh(primitiveType);
     auto enablePrimitiveRestart = GrPrimitiveRestart(flushState->caps().usePrimitiveRestart());
 
-    mesh.setIndexedInstanced(resources.indexBuffer(), numIndicesPerInstance,
-                             resources.instanceBuffer(), endInstance - baseInstance, baseInstance,
-                             enablePrimitiveRestart);
-    mesh.setVertexData(resources.vertexBuffer());
+    mesh.setIndexedInstanced(resources.refIndexBuffer(), numIndicesPerInstance,
+                             resources.refInstanceBuffer(), endInstance - baseInstance,
+                             baseInstance, enablePrimitiveRestart);
+    mesh.setVertexData(resources.refVertexBuffer());
 
     flushState->rtCommandBuffer()->draw(*this, pipeline, fixedDynamicState, nullptr, &mesh, 1,
                                         bounds);