Bring sk_sp to GrDrawContext

gm/beziereffects.cpp

 /*
  * Copyright 2013 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"
@@ skipping 91 matching lines @@
         GrRenderTarget* rt = canvas->internal_private_accessTopLayerRenderTarget();
         if (nullptr == rt) {
             skiagm::GM::DrawGpuOnlyMessage(canvas);
             return;
         }
         GrContext* context = rt->getContext();
         if (nullptr == context) {
             return;
         }
 
-        SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(rt));
+        sk_sp<GrDrawContext> drawContext(context->drawContext(sk_ref_sp(rt)));

[bsalomon, 2016/04/26 13:09:25]

It seems strange that we need to ref the rt here when passing it to a function
that takes a bare ptr. Why is that?

[robertphillips, 2016/04/26 13:36:53]

GrContext::drawContext should now take an sk_sp

         if (!drawContext) {
             return;
         }
 
         struct Vertex {
             SkPoint fPosition;
             float   fKLM[4]; // The last value is ignored. The effect expects a vec4f.
         };
 
         static const int kNumCubics = 15;
@@ skipping 118 matching lines @@
         GrRenderTarget* rt = canvas->internal_private_accessTopLayerRenderTarget();
         if (nullptr == rt) {
             skiagm::GM::DrawGpuOnlyMessage(canvas);
             return;
         }
         GrContext* context = rt->getContext();
         if (nullptr == context) {
             return;
         }
 
-        SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(rt));
+        sk_sp<GrDrawContext> drawContext(context->drawContext(sk_ref_sp(rt)));
         if (!drawContext) {
             return;
         }
 
         struct Vertex {
             SkPoint fPosition;
             float   fKLM[4]; // The last value is ignored. The effect expects a vec4f.
         };
 
         static const int kNumConics = 10;
@@ skipping 196 matching lines @@
         GrRenderTarget* rt = canvas->internal_private_accessTopLayerRenderTarget();
         if (nullptr == rt) {
             skiagm::GM::DrawGpuOnlyMessage(canvas);
             return;
         }
         GrContext* context = rt->getContext();
         if (nullptr == context) {
             return;
         }
 
-        SkAutoTUnref<GrDrawContext> drawContext(context->drawContext(rt));
+        sk_sp<GrDrawContext> drawContext(context->drawContext(sk_ref_sp(rt)));
         if (!drawContext) {
             return;
         }
 
         struct Vertex {
             SkPoint fPosition;
             float   fUV[4]; // The last two values are ignored. The effect expects a vec4f.
         };
 
         static const int kNumQuads = 5;
@@ skipping 87 matching lines @@
 private:
     typedef GM INHERITED;
 };
 
 DEF_GM(return new BezierCubicEffects;)
 DEF_GM(return new BezierConicEffects;)
 DEF_GM(return new BezierQuadEffects;)
 }
 
 #endif