Update SkComposeImageFilter to sk_sp

include/effects/SkComposeImageFilter.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkComposeImageFilter_DEFINED
 #define SkComposeImageFilter_DEFINED
 
 #include "SkImageFilter.h"
 
 class SK_API SkComposeImageFilter : public SkImageFilter {
 public:
-    static SkImageFilter* Create(SkImageFilter* outer, SkImageFilter* inner) {
+    static sk_sp<SkImageFilter> Make(sk_sp<SkImageFilter> outer, sk_sp<SkImageFilter> inner) {
         if (!outer) {
-            return SkSafeRef(inner);
+            return inner;
         }
         if (!inner) {
-            return SkRef(outer);
+            return outer;
         }
-        SkImageFilter* inputs[2] = { outer, inner };
-        return new SkComposeImageFilter(inputs);
+        sk_sp<SkImageFilter> inputs[2] = { std::move(outer), std::move(inner) };
+        return sk_sp<SkImageFilter>(new SkComposeImageFilter(inputs));
     }
     SkRect computeFastBounds(const SkRect& src) const override;
 
     SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkComposeImageFilter)
 
+#ifdef SK_SUPPORT_LEGACY_IMAGEFILTER_PTR
+    static SkImageFilter* Create(SkImageFilter* outer, SkImageFilter* inner) {
+        return Make(sk_ref_sp<SkImageFilter>(outer),
+                    sk_ref_sp<SkImageFilter>(inner)).release();
+    }
+#endif
+
 protected:
-    explicit SkComposeImageFilter(SkImageFilter* inputs[2]) : INHERITED(2, inputs) {
-        SkASSERT(inputs[0]);
-        SkASSERT(inputs[1]);
+    explicit SkComposeImageFilter(sk_sp<SkImageFilter> inputs[2]) : INHERITED(inputs, 2, nullptr) {
+        SkASSERT(inputs[0].get());
+        SkASSERT(inputs[1].get());
     }
     sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&,
                                         SkIPoint* offset) const override;
     SkIRect onFilterBounds(const SkIRect&, const SkMatrix&, MapDirection) const override;
 
 private:
     typedef SkImageFilter INHERITED;
 };
 
 #endif