use Make instead of Create to return a shared shader

src/core/SkShader.cpp

Index: src/core/SkShader.cpp
diff --git a/src/core/SkShader.cpp b/src/core/SkShader.cpp
index 75f527bff3f1d6f3db531c2dd941f4e9c8ff2a77..7b322fb6272e0f9017005191f3a3a54f235549a5 100644
--- a/src/core/SkShader.cpp
+++ b/src/core/SkShader.cpp
@@ -229,18 +229,18 @@ SkShader* SkShader::refAsALocalMatrixShader(SkMatrix*) const {
     return nullptr;
 }
 
-SkShader* SkShader::CreateEmptyShader() { return new SkEmptyShader; }
+sk_sp<SkShader> SkShader::MakeEmptyShader() { return sk_make_sp<SkEmptyShader>(); }
 
-SkShader* SkShader::CreateColorShader(SkColor color) { return new SkColorShader(color); }
+sk_sp<SkShader> SkShader::MakeColorShader(SkColor color) { return sk_make_sp<SkColorShader>(color); }
 
-SkShader* SkShader::CreateBitmapShader(const SkBitmap& src, TileMode tmx, TileMode tmy,
-                                       const SkMatrix* localMatrix) {
-    return SkCreateBitmapShader(src, tmx, tmy, localMatrix, nullptr);
+sk_sp<SkShader> SkShader::MakeBitmapShader(const SkBitmap& src, TileMode tmx, TileMode tmy,
+                                           const SkMatrix* localMatrix) {
+    return SkMakeBitmapShader(src, tmx, tmy, localMatrix, nullptr);
 }
 
-SkShader* SkShader::CreatePictureShader(const SkPicture* src, TileMode tmx, TileMode tmy,
-                                        const SkMatrix* localMatrix, const SkRect* tile) {
-    return SkPictureShader::Create(src, tmx, tmy, localMatrix, tile);
+sk_sp<SkShader> SkShader::MakePictureShader(sk_sp<const SkPicture> src, TileMode tmx, TileMode tmy,
+                                            const SkMatrix* localMatrix, const SkRect* tile) {
+    return SkPictureShader::Make(std::move(src), tmx, tmy, localMatrix, tile);
 }
 
 #ifndef SK_IGNORE_TO_STRING
@@ -362,7 +362,7 @@ void SkColorShader::toString(SkString* str) const {
 ///////////////////////////////////////////////////////////////////////////////
 
 SkFlattenable* SkEmptyShader::CreateProc(SkReadBuffer&) {
-    return SkShader::CreateEmptyShader();
+    return SkShader::MakeEmptyShader().release();
 }
 
 #ifndef SK_IGNORE_TO_STRING
@@ -376,3 +376,18 @@ void SkEmptyShader::toString(SkString* str) const {
     str->append(")");
 }
 #endif
+
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifdef SK_SUPPORT_LEGACY_CREATESHADER_PTR
+SkShader* SkShader::CreateComposeShader(SkShader* dst, SkShader* src, SkXfermode::Mode mode) {
+    return MakeComposeShader(sk_ref_sp(dst), sk_ref_sp(src), mode).release();
+}
+SkShader* SkShader::CreateComposeShader(SkShader* dst, SkShader* src, SkXfermode* xfer) {
+    return MakeComposeShader(sk_ref_sp(dst), sk_ref_sp(src), xfer).release();
+}
+SkShader* SkShader::CreatePictureShader(const SkPicture* src, TileMode tmx, TileMode tmy,
+                                     const SkMatrix* localMatrix, const SkRect* tile) {
+    return MakePictureShader(sk_ref_sp(src), tmx, tmy, localMatrix, tile).release();
+}
+#endif