Bring sk_sp to GrDrawContext

gm/texdata.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // This test only works with the GPU backend.
 
 #include "gm.h"
 
 #if SK_SUPPORT_GPU
 #include "GrContext.h"
 #include "GrDrawContext.h"
 #include "SkColorPriv.h"
 #include "effects/GrPorterDuffXferProcessor.h"
 #include "effects/GrSimpleTextureEffect.h"
 
 static const int S = 200;
 
 DEF_SIMPLE_GM_BG(texdata, canvas, 2 * S, 2 * S, SK_ColorBLACK) {
         GrRenderTarget* target = canvas->internal_private_accessTopLayerRenderTarget();
         GrContext* ctx = canvas->getGrContext();
-        SkAutoTUnref<GrDrawContext> drawContext(ctx ? ctx->drawContext(target) : nullptr);
+        sk_sp<GrDrawContext> drawContext(ctx ? ctx->drawContext(sk_ref_sp(target)) : nullptr);
         if (drawContext && target) {
             SkAutoTArray<SkPMColor> gTextureData((2 * S) * (2 * S));
             static const int stride = 2 * S;
             static const SkPMColor gray  = SkPackARGB32(0x40, 0x40, 0x40, 0x40);
             static const SkPMColor white = SkPackARGB32(0xff, 0xff, 0xff, 0xff);
             static const SkPMColor red   = SkPackARGB32(0x80, 0x80, 0x00, 0x00);
             static const SkPMColor blue  = SkPackARGB32(0x80, 0x00, 0x00, 0x80);
             static const SkPMColor green = SkPackARGB32(0x80, 0x00, 0x80, 0x00);
             static const SkPMColor black = SkPackARGB32(0x00, 0x00, 0x00, 0x00);
             for (int i = 0; i < 2; ++i) {
@@ skipping 74 matching lines @@
                 texture->writePixels(S, (i ? 0 : S), S, S,
                                      texture->config(), gTextureData.get(),
                                      4 * stride);
                 drawContext->drawRect(clip, paint, vm, SkRect::MakeWH(2*S, 2*S));
             }
         } else {
             skiagm::GM::DrawGpuOnlyMessage(canvas);
         }
 }
 #endif