Move SkImageFilter over to storing sk_sps

tests/ImageFilterTest.cpp

Index: tests/ImageFilterTest.cpp
diff --git a/tests/ImageFilterTest.cpp b/tests/ImageFilterTest.cpp
index e92fef50d163fdb60b2dd8b6f7d3b90c960130db..e22d636d6791f05c86dfdc6abdb733898d042735 100644
--- a/tests/ImageFilterTest.cpp
+++ b/tests/ImageFilterTest.cpp
@@ -88,8 +88,7 @@ private:
 
 class FailImageFilter : public SkImageFilter {
 public:
-    FailImageFilter() : SkImageFilter(0, nullptr) {
-    }
+    FailImageFilter() : SkImageFilter(nullptr, 0, nullptr) { }
 
     sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source,
                                         const Context& ctx,