Bring sk_sp to GrDrawContext

src/image/SkImage_Gpu.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkAutoPixmapStorage.h"
 #include "GrCaps.h"
 #include "GrContext.h"
@@ skipping 252 matching lines @@
         return nullptr;
     }
 
     GrPaint paint;
     paint.setPorterDuffXPFactory(SkXfermode::kSrc_Mode);
     paint.addColorFragmentProcessor(GrYUVEffect::CreateYUVToRGB(yTex, uTex, vTex, yuvSizes,
                                                                 colorSpace))->unref();
 
     const SkRect rect = SkRect::MakeWH(SkIntToScalar(dstDesc.fWidth),
                                        SkIntToScalar(dstDesc.fHeight));
-    SkAutoTUnref<GrDrawContext> drawContext(ctx->drawContext(dst->asRenderTarget()));
+    sk_sp<GrDrawContext> drawContext(ctx->drawContext(sk_ref_sp(dst->asRenderTarget())));
     if (!drawContext) {
         return nullptr;
     }
 
     drawContext->drawRect(GrClip::WideOpen(), paint, SkMatrix::I(), rect);
     ctx->flushSurfaceWrites(dst);
     return sk_make_sp<SkImage_Gpu>(dstDesc.fWidth, dstDesc.fHeight, kNeedNewImageUniqueID,
                                    kOpaque_SkAlphaType, dst, budgeted);
 }
 
@@ skipping 170 matching lines @@
         return nullptr;
     }
 
     const SkIRect srcR = SkIRect::MakeWH(desc.fWidth, desc.fHeight);
     const SkIPoint dstP = SkIPoint::Make(0, 0);
     ctx->copySurface(dst, src, srcR, dstP);
     ctx->flushSurfaceWrites(dst);
     return dst;
 }