Convert DstTexture to DstProxy (take 2)

The last GrTexture-based TextureSampler::reset call must be removed before the TextureSamplers can become purely GrTextureProxy-backed

Reland of: https://skia-review.googlesource.com/c/16908/ (Convert DstTexture to DstProxy)

Split out of: https://skia-review.googlesource.com/c/10484/ (Omnibus: Push instantiation of GrTextures later (post TextureSampler))

Change-Id: I3a497b6a950fad899f23882c0a9552894ef640f8
Reviewed-on: https://skia-review.googlesource.com/17205
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
diff --git a/tests/GrPorterDuffTest.cpp b/tests/GrPorterDuffTest.cpp
index 90c9b50..bf32598 100644
--- a/tests/GrPorterDuffTest.cpp
+++ b/tests/GrPorterDuffTest.cpp
@@ -1068,11 +1068,12 @@
                                                                kRGBA_8888_GrPixelConfig,
                                                                backendTexHandle);
 
-    GrXferProcessor::DstTexture fakeDstTexture;
-    fakeDstTexture.setTexture(
-        ctx->resourceProvider()->wrapBackendTexture(backendTex, kTopLeft_GrSurfaceOrigin,
-                                                    kNone_GrBackendTextureFlag, 0,
-                                                    kBorrow_GrWrapOwnership));
+    GrXferProcessor::DstProxy fakeDstProxy;
+    {
+        sk_sp<GrTextureProxy> proxy = GrSurfaceProxy::MakeWrappedBackend(ctx, backendTex,
+                                                                         kTopLeft_GrSurfaceOrigin);
+        fakeDstProxy.setProxy(std::move(proxy));
+    }
 
     static const GrProcessorAnalysisColor colorInputs[] = {
             GrProcessorAnalysisColor::Opaque::kNo, GrProcessorAnalysisColor::Opaque::kYes,