Revert of switch patheffects over to sk_sp

src/core/SkPaint.cpp

Index: src/core/SkPaint.cpp
diff --git a/src/core/SkPaint.cpp b/src/core/SkPaint.cpp
index 2d6c72714d2169041df645a70b91f01c1d8fd1fd..5e813f78c4d009c0ee56648b7ae66463a95bfdcb 100644
--- a/src/core/SkPaint.cpp
+++ b/src/core/SkPaint.cpp
@@ -375,6 +375,7 @@
 SET_PTR(Shader)
 SET_PTR(ColorFilter)
 SET_PTR(Xfermode)
+SET_PTR(PathEffect)
 SET_PTR(MaskFilter)
 #undef SET_PTR
 
@@ -1929,7 +1930,7 @@
     }
 
     if (flatFlags & kHasEffects_FlatFlag) {
-        this->setPathEffect(buffer.readPathEffect());
+        SkSafeUnref(this->setPathEffect(buffer.readPathEffect()));
         this->setShader(buffer.readShader());
         SkSafeUnref(this->setXfermode(buffer.readXfermode()));
         SkSafeUnref(this->setMaskFilter(buffer.readMaskFilter()));
@@ -2249,11 +2250,11 @@
     fCache = fPaint.detachCache(nullptr, SkPaint::FakeGamma::On, nullptr);
 
     SkPaint::Style  style = SkPaint::kFill_Style;
-    sk_sp<SkPathEffect> pe;
+    SkPathEffect*   pe = nullptr;
 
     if (!applyStrokeAndPathEffects) {
         style = paint.getStyle();   // restore
-        pe = sk_ref_sp(paint.getPathEffect());     // restore
+        pe = paint.getPathEffect();     // restore
     }
     fPaint.setStyle(style);
     fPaint.setPathEffect(pe);