Update SkBlurImageFilter to sk_sp

include/effects/SkBlurImageFilter.h

 /*
  * Copyright 2011 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkBlurImageFilter_DEFINED
 #define SkBlurImageFilter_DEFINED
 
 #include "SkImageFilter.h"
 #include "SkSize.h"
 
 class SK_API SkBlurImageFilter : public SkImageFilter {
 public:
-    static SkImageFilter* Create(SkScalar sigmaX, SkScalar sigmaY, SkImageFilter* input = NULL,
-                                 const CropRect* cropRect = NULL) {
+    static sk_sp<SkImageFilter> Make(SkScalar sigmaX, SkScalar sigmaY, sk_sp<SkImageFilter> input,
+                                     const CropRect* cropRect = nullptr) {
         if (0 == sigmaX && 0 == sigmaY && nullptr == cropRect) {
-            return SkSafeRef(input);
+            return input;
         }
-        return new SkBlurImageFilter(sigmaX, sigmaY, input, cropRect);
+        return sk_sp<SkImageFilter>(new SkBlurImageFilter(sigmaX, sigmaY, input, cropRect));
     }
 
     SkRect computeFastBounds(const SkRect&) const override;
 
     SK_TO_STRING_OVERRIDE()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkBlurImageFilter)
 
+#ifdef SK_SUPPORT_LEGACY_IMAGEFILTER_PTR
+    static SkImageFilter* Create(SkScalar sigmaX, SkScalar sigmaY, SkImageFilter* input = nullptr,
+                                 const CropRect* cropRect = nullptr) {
+        return Make(sigmaX, sigmaY, sk_ref_sp<SkImageFilter>(input), cropRect).release();
+    }
+#endif
+
 protected:
     void flatten(SkWriteBuffer&) const override;
     sk_sp<SkSpecialImage> onFilterImage(SkSpecialImage* source, const Context&,
                                         SkIPoint* offset) const override;
     SkIRect onFilterNodeBounds(const SkIRect& src, const SkMatrix&, MapDirection) const override;
 
 private:
     SkBlurImageFilter(SkScalar sigmaX,
                       SkScalar sigmaY,
-                      SkImageFilter* input,
+                      sk_sp<SkImageFilter> input,
                       const CropRect* cropRect);
 
     SkSize   fSigma;
     typedef SkImageFilter INHERITED;
 };
 
 #endif