move setshader to sk_sp

gm/pictureshader.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 
 #include "SkBitmap.h"
@@ skipping 186 matching lines @@
     sk_sp<SkShader> shader(SkShader::MakePictureShader(picture, SkShader::kRepeat_TileMode,
                                                        SkShader::kRepeat_TileMode,
                                                        nullptr, nullptr));
 
     p.setColor(sk_tool_utils::color_to_565(0xFF8BC34A));  // green
     canvas->drawPaint(p);
 
     canvas->clipRect(SkRect::MakeXYWH(0, 0, 400, 350));
     p.setColor(sk_tool_utils::color_to_565(0xFFB6B6B6));  // gray
     canvas->drawPaint(p);
-    p.setShader(shader.get());
+    p.setShader(std::move(shader));

[tomhudson, 2016/03/25 14:28:07]

Nit: could fold shader construction into this line? Wasn't that a pattern you
wanted to encourage?

[reed1, 2016/03/25 15:04:31]

Done.

 
     canvas->drawPaint(p);
 }