switch patheffects over to sk_sp

include/core/SkPathEffect.h

Index: include/core/SkPathEffect.h
diff --git a/include/core/SkPathEffect.h b/include/core/SkPathEffect.h
index a77b9467e42fda294329976e6fddf6f2ce436fe6..405a504774b227c0559c8c9673287dd29b48daa1 100644
--- a/include/core/SkPathEffect.h
+++ b/include/core/SkPathEffect.h
@@ -18,6 +18,10 @@
 class SkPath;
 class SkStrokeRec;
 
+#ifndef SK_SUPPORT_LEGACY_PATHEFFECT_PTR
+    #define SK_SUPPORT_LEGACY_PATHEFFECT_PTR
+#endif
+
 /** \class SkPathEffect
 
     SkPathEffect is the base class for objects in the SkPaint that affect
@@ -154,16 +158,14 @@ private:
     for managing the lifetimes of its two arguments.
 */
 class SkPairPathEffect : public SkPathEffect {
-public:
-    virtual ~SkPairPathEffect();
-
 protected:
-    SkPairPathEffect(SkPathEffect* pe0, SkPathEffect* pe1);
+    SkPairPathEffect(sk_sp<SkPathEffect> pe0, sk_sp<SkPathEffect> pe1);
 
     void flatten(SkWriteBuffer&) const override;
 
     // these are visible to our subclasses
-    SkPathEffect* fPE0, *fPE1;
+    sk_sp<SkPathEffect> fPE0;
+    sk_sp<SkPathEffect> fPE1;
 
     SK_TO_STRING_OVERRIDE()
 
@@ -183,16 +185,22 @@ public:
         The reference counts for outer and inner are both incremented in the constructor,
         and decremented in the destructor.
     */
-    static SkPathEffect* Create(SkPathEffect* outer, SkPathEffect* inner) {
+    static sk_sp<SkPathEffect> Make(sk_sp<SkPathEffect> outer, sk_sp<SkPathEffect> inner) {
         if (!outer) {
-            return SkSafeRef(inner);
+            return inner;
         }
         if (!inner) {
-            return SkSafeRef(outer);
+            return outer;
         }
-        return new SkComposePathEffect(outer, inner);
+        return sk_sp<SkPathEffect>(new SkComposePathEffect(outer, inner));
     }
 
+#ifdef SK_SUPPORT_LEGACY_PATHEFFECT_PTR
+    static SkPathEffect* Create(SkPathEffect* outer, SkPathEffect* inner) {
+        return Make(sk_ref_sp(outer), sk_ref_sp(inner)).release();
+    }
+#endif
+
     virtual bool filterPath(SkPath* dst, const SkPath& src,
                             SkStrokeRec*, const SkRect*) const override;
 
@@ -204,7 +212,8 @@ public:
 #endif
 
 protected:
-    SkComposePathEffect(SkPathEffect* outer, SkPathEffect* inner) : INHERITED(outer, inner) {}
+    SkComposePathEffect(sk_sp<SkPathEffect> outer, sk_sp<SkPathEffect> inner)
+        : INHERITED(outer, inner) {}
 
 private:
     // illegal
@@ -226,16 +235,21 @@ public:
         The reference counts for first and second are both incremented in the constructor,
         and decremented in the destructor.
     */
-    static SkPathEffect* Create(SkPathEffect* first, SkPathEffect* second) {
+    static sk_sp<SkPathEffect> Make(sk_sp<SkPathEffect> first, sk_sp<SkPathEffect> second) {
         if (!first) {
-            return SkSafeRef(second);
+            return second;
         }
         if (!second) {
-            return SkSafeRef(first);
+            return first;
         }
-        return new SkSumPathEffect(first, second);
+        return sk_sp<SkPathEffect>(new SkSumPathEffect(first, second));
     }
 
+#ifdef SK_SUPPORT_LEGACY_PATHEFFECT_PTR
+    static SkPathEffect* Create(SkPathEffect* first, SkPathEffect* second) {
+        return Make(sk_ref_sp(first), sk_ref_sp(second)).release();
+    }
+#endif
     virtual bool filterPath(SkPath* dst, const SkPath& src,
                             SkStrokeRec*, const SkRect*) const override;
 
@@ -247,7 +261,8 @@ public:
 #endif
 
 protected:
-    SkSumPathEffect(SkPathEffect* first, SkPathEffect* second) : INHERITED(first, second) {}
+    SkSumPathEffect(sk_sp<SkPathEffect> first, sk_sp<SkPathEffect> second)
+        : INHERITED(first, second) {}
 
 private:
     // illegal