Bring sk_sp to GrDrawContext

src/gpu/GrTextureParamsAdjuster.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrTextureParamsAdjuster.h"
 
 #include "GrCaps.h"
@@ skipping 94 matching lines @@
     if (subset) {
         localRect = SkRect::Make(*subset);
         localRect.fLeft *= sx;
         localRect.fTop *= sy;
         localRect.fRight *= sx;
         localRect.fBottom *= sy;
     } else {
         localRect = SkRect::MakeWH(1.f, 1.f);
     }
 
-    SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(copy->asRenderTarget()));
+    sk_sp<GrDrawContext> drawContext(context->drawContext(sk_ref_sp(copy->asRenderTarget())));
     if (!drawContext) {
         return nullptr;
     }
 
     SkRect dstRect = SkRect::MakeWH(SkIntToScalar(rtDesc.fWidth), SkIntToScalar(rtDesc.fHeight));
     drawContext->fillRectToRect(GrClip::WideOpen(), paint, SkMatrix::I(), dstRect, localRect);
     return copy.release();
 }
 
 GrTextureAdjuster::GrTextureAdjuster(GrTexture* original,
@@ skipping 380 matching lines @@
 }
 
 GrTexture* GrTextureMaker::generateTextureForParams(const CopyParams& copyParams,
                                                     bool willBeMipped) {
     SkAutoTUnref<GrTexture> original(this->refOriginalTexture(willBeMipped));
     if (!original) {
         return nullptr;
     }
     return copy_on_gpu(original, nullptr, copyParams);
 }