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, 13 insertions, 8 deletions

diff --git a/bench/AlternatingColorPatternBench.cpp b/bench/AlternatingColorPatternBench.cpp
index 147dc3607b..b7285d6e3b 100644
--- a/bench/AlternatingColorPatternBench.cpp
+++ b/bench/AlternatingColorPatternBench.cpp
@@ -51,11 +51,11 @@ static void makebm(SkBitmap* bm, int w, int h) {
 
     SkPaint     paint;
 
-    paint.setShader(SkGradientShader::MakeLinear(kPts0, kColors0, kPos, SK_ARRAY_COUNT(kColors0),
-                                                 SkShader::kClamp_TileMode));
+    paint.setShader(SkGradientShader::CreateLinear(kPts0, kColors0, kPos,
+                    SK_ARRAY_COUNT(kColors0), SkShader::kClamp_TileMode))->unref();
     canvas.drawPaint(paint);
-    paint.setShader(SkGradientShader::MakeLinear(kPts1, kColors1, kPos, SK_ARRAY_COUNT(kColors1),
-                                                 SkShader::kClamp_TileMode));
+    paint.setShader(SkGradientShader::CreateLinear(kPts1, kColors1, kPos,
+                    SK_ARRAY_COUNT(kColors1), SkShader::kClamp_TileMode))->unref();
     canvas.drawPaint(paint);
 }
 
@@ -80,12 +80,12 @@ public:
         NY = 5,
         NUM_DRAWS = NX * NY,
     };
-    sk_sp<SkShader> fBmShader;
+    SkShader* fBmShader;
 
     SkPath  fPaths[NUM_DRAWS];
     SkRect  fRects[NUM_DRAWS];
     SkColor fColors[NUM_DRAWS];
-    sk_sp<SkShader> fShaders[NUM_DRAWS];
+    SkShader* fShaders[NUM_DRAWS];
 
     SkString        fName;
     ColorPatternData    fPattern1;
@@ -94,7 +94,8 @@ public:
     SkBitmap fBmp;
 
 
-    AlternatingColorPatternBench(ColorPattern pattern1, ColorPattern pattern2, DrawType drawType) {
+    AlternatingColorPatternBench(ColorPattern pattern1, ColorPattern pattern2, DrawType drawType)
+        : fBmShader(nullptr) {
         fPattern1 = gColorPatterns[pattern1];
         fPattern2 = gColorPatterns[pattern2];
         fName.printf("colorPattern_%s_%s_%s",
@@ -103,6 +104,10 @@ public:
         fDrawType = drawType;
     }
 
+    virtual ~AlternatingColorPatternBench() {
+        SkSafeUnref(fBmShader);
+    }
+
 protected:
     const char* onGetName() override {
         return fName.c_str();
@@ -112,7 +117,7 @@ protected:
         int w = 40;
         int h = 40;
         makebm(&fBmp, w, h);
-        fBmShader = SkShader::MakeBitmapShader(fBmp,
+        fBmShader = SkShader::CreateBitmapShader(fBmp,
                                                  SkShader::kRepeat_TileMode,
                                                  SkShader::kRepeat_TileMode);
         int offset = 2;