Revert of more shader-->sp conversions

gm/patch.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 "SkGradientShader.h"
 #include "SkPatchUtils.h"
 
-static sk_sp<SkShader> make_shader() {
+static SkShader* make_shader() {
     const SkColor colors[] = {
         SK_ColorRED, SK_ColorCYAN, SK_ColorGREEN, SK_ColorWHITE, SK_ColorMAGENTA, SK_ColorBLUE,
         SK_ColorYELLOW,
     };
     const SkPoint pts[] = { { 100.f / 4.f, 0.f }, { 3.f * 100.f / 4.f, 100.f } };
     
-    return SkGradientShader::MakeLinear(pts, colors, nullptr, SK_ARRAY_COUNT(colors),
-                                        SkShader::kMirror_TileMode);
+    return SkGradientShader::CreateLinear(pts, colors, nullptr, SK_ARRAY_COUNT(colors),
+                                          SkShader::kMirror_TileMode);
 }
 
 static void draw_control_points(SkCanvas* canvas, const SkPoint cubics[12]) {
     //draw control points
     SkPaint paint;
     SkPoint bottom[SkPatchUtils::kNumPtsCubic];
     SkPatchUtils::getBottomCubic(cubics, bottom);
     SkPoint top[SkPatchUtils::kNumPtsCubic];
     SkPatchUtils::getTopCubic(cubics, top);
     SkPoint left[SkPatchUtils::kNumPtsCubic];
@@ skipping 53 matching lines @@
         const SkPoint texCoords[SkPatchUtils::kNumCorners] = {
             {0.0f, 0.0f}, {100.0f, 0.0f}, {100.0f,100.0f}, {0.0f, 100.0f}}
         ;
         
         const SkXfermode::Mode modes[] = {
             SkXfermode::kSrc_Mode,
             SkXfermode::kDst_Mode,
             SkXfermode::kModulate_Mode,
         };
         
-        sk_sp<SkShader> shader(make_shader());
+        SkAutoTUnref<SkShader> shader(make_shader());
         
         canvas->save();
         for (int y = 0; y < 3; y++) {
             SkAutoTUnref<SkXfermode> xfer(SkXfermode::Create(modes[y]));
 
             for (int x = 0; x < 4; x++) {
                 canvas->save();
                 canvas->translate(x * 350.0f, y * 350.0f);
                 switch (x) {
                     case 0:
@@ skipping 15 matching lines @@
                     default:
                         break;
                 }
                 
                 draw_control_points(canvas, cubics);
                 canvas->restore();
             }
         }
         canvas->restore();
 }