Revert of Finish conversion to sk_sp<SkShader> (patchset #2 id:20001 of https://codereview.chromium.org/1803763002/ )

Reason for revert:
need to update cmake build example

Original issue's description:
> Finish conversion to sk_sp<SkShader>
>
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1803763002
>
> TBR=
>
> Committed: https://skia.googlesource.com/skia/+/15c3a0e55bd9134dace0ace2fffb855a0f09542f

TBR=
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/1798133003

1 files changed, 5 insertions, 3 deletions

diff --git a/bench/ColorCubeBench.cpp b/bench/ColorCubeBench.cpp
index 9f6bd001ff..6c5a16d6a2 100644
--- a/bench/ColorCubeBench.cpp
+++ b/bench/ColorCubeBench.cpp
@@ -48,13 +48,13 @@ protected:
     }
 
 private:
-    static sk_sp<SkShader> MakeLinear(const SkISize& size) {
+    static SkShader* MakeLinear(const SkISize& size) {
         const SkPoint pts[2] = {
                 { 0, 0 },
                 { SkIntToScalar(size.width()), SkIntToScalar(size.height()) }
             };
         static const SkColor colors[] = { SK_ColorYELLOW, SK_ColorBLUE };
-        return SkGradientShader::MakeLinear(
+        return SkGradientShader::CreateLinear(
             pts, colors, nullptr, 2, SkShader::kRepeat_TileMode, 0, &SkMatrix::I());
     }
 
@@ -64,9 +64,11 @@ private:
         canvas.clear(0x00000000);
         SkPaint paint;
         paint.setAntiAlias(true);
-        paint.setShader(MakeLinear(fSize));
+        SkShader* shader = MakeLinear(fSize);
+        paint.setShader(shader);
         SkRect r = { 0, 0, SkIntToScalar(fSize.width()), SkIntToScalar(fSize.height()) };
         canvas.drawRect(r, paint);
+        shader->unref();
     }
 
     void makeCubeData() {