Revert of more shader-->sp conversions (patchset #5 id:80001 of https://codereview.chromium.org/1789633002/ )

Reason for revert:
seems to have changed pictureshadertile

Original issue's description:
> more shader-->sp conversions
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1789633002
>
> Committed: https://skia.googlesource.com/skia/+/ce563cdd48ec7ce4e0420dd88760df9be9dba50c

TBR=fmalita@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/1790353002

1 files changed, 16 insertions, 12 deletions

diff --git a/gm/shallowgradient.cpp b/gm/shallowgradient.cpp
index 6990ba7c93..764b1a5034 100644
--- a/gm/shallowgradient.cpp
+++ b/gm/shallowgradient.cpp
@@ -8,27 +8,31 @@
 #include "gm.h"
 #include "SkGradientShader.h"
 
-typedef sk_sp<SkShader> (*MakeShaderProc)(const SkColor[], int count, const SkSize&);
+typedef SkShader* (*MakeShaderProc)(const SkColor[], int count, const SkSize&);
 
-static sk_sp<SkShader> shader_linear(const SkColor colors[], int count, const SkSize& size) {
+static SkShader* shader_linear(const SkColor colors[], int count, const SkSize& size) {
     SkPoint pts[] = { { 0, 0 }, { size.width(), size.height() } };
-    return SkGradientShader::MakeLinear(pts, colors, nullptr, count, SkShader::kClamp_TileMode);
+    return SkGradientShader::CreateLinear(pts, colors, nullptr, count,
+                                          SkShader::kClamp_TileMode);
 }
 
-static sk_sp<SkShader> shader_radial(const SkColor colors[], int count, const SkSize& size) {
+static SkShader* shader_radial(const SkColor colors[], int count, const SkSize& size) {
     SkPoint center = { size.width()/2, size.height()/2 };
-    return SkGradientShader::MakeRadial(center, size.width()/2, colors, nullptr, count,
-                                        SkShader::kClamp_TileMode);
+    return SkGradientShader::CreateRadial(center, size.width()/2, colors, nullptr, count,
+                                          SkShader::kClamp_TileMode);
 }
 
-static sk_sp<SkShader> shader_conical(const SkColor colors[], int count, const SkSize& size) {
+static SkShader* shader_conical(const SkColor colors[], int count, const SkSize& size) {
     SkPoint center = { size.width()/2, size.height()/2 };
-    return SkGradientShader::MakeTwoPointConical(center, size.width()/64, center, size.width()/2,
-                                                colors, nullptr, count, SkShader::kClamp_TileMode);
+    return SkGradientShader::CreateTwoPointConical(center, size.width()/64,
+                                                   center, size.width()/2,
+                                                   colors, nullptr, count,
+                                                   SkShader::kClamp_TileMode);
 }
 
-static sk_sp<SkShader> shader_sweep(const SkColor colors[], int count, const SkSize& size) {
-    return SkGradientShader::MakeSweep(size.width()/2, size.height()/2, colors, nullptr, count);
+static SkShader* shader_sweep(const SkColor colors[], int count, const SkSize& size) {
+    return SkGradientShader::CreateSweep(size.width()/2, size.height()/2,
+                                         colors, nullptr, count);
 }
 
 class ShallowGradientGM : public skiagm::GM {
@@ -58,7 +62,7 @@ protected:
         SkSize size = SkSize::Make(r.width(), r.height());
 
         SkPaint paint;
-        paint.setShader(fProc(colors, colorCount, size));
+        paint.setShader(fProc(colors, colorCount, size))->unref();
         paint.setDither(fDither);
         canvas->drawRect(r, paint);
     }