sk_sp-ify GrResourceProvider some more

I believe this addresses the concerns of this particular bug (although more remains to be done)

Bug: skia:5327
Change-Id: Ie82f08f87b3cf3d7986fe4eeb16a5d2553173913
Reviewed-on: https://skia-review.googlesource.com/18599
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/tests/ProxyTest.cpp b/tests/ProxyTest.cpp
index dc34c76..75df5aa 100644
--- a/tests/ProxyTest.cpp
+++ b/tests/ProxyTest.cpp
@@ -137,7 +137,7 @@
                             {
                                 sk_sp<GrTexture> tex;
                                 if (SkBackingFit::kApprox == fit) {
-                                    tex.reset(provider->createApproxTexture(desc, 0));
+                                    tex = provider->createApproxTexture(desc, 0);
                                 } else {
                                     tex = provider->createTexture(desc, budgeted);
                                 }
@@ -170,7 +170,7 @@
                             {
                                 sk_sp<GrTexture> tex;
                                 if (SkBackingFit::kApprox == fit) {
-                                    tex.reset(provider->createApproxTexture(desc, 0));
+                                    tex = provider->createApproxTexture(desc, 0);
                                 } else {
                                     tex = provider->createTexture(desc, budgeted);
                                 }