Update DropShadowImageFilter to sk_sp

gm/imagefiltersscaled.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "sk_tool_utils.h"
 #include "SkBlurImageFilter.h"
 #include "SkColor.h"
@@ skipping 56 matching lines @@
         SkScalar spotExponent = SK_Scalar1;
         SkScalar cutoffAngle = SkIntToScalar(15);
         SkScalar kd = SkIntToScalar(2);
         SkScalar surfaceScale = SkIntToScalar(1);
         SkColor white(0xFFFFFFFF);
         SkMatrix resizeMatrix;
         resizeMatrix.setScale(RESIZE_FACTOR, RESIZE_FACTOR);
 
         SkImageFilter* filters[] = {
             SkBlurImageFilter::Make(SkIntToScalar(4), SkIntToScalar(4), nullptr).release(),
-            SkDropShadowImageFilter::Create(SkIntToScalar(5), SkIntToScalar(10),
+            SkDropShadowImageFilter::Make(SkIntToScalar(5), SkIntToScalar(10),
                 SkIntToScalar(3), SkIntToScalar(3), SK_ColorYELLOW,
-                SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode),
+                SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode, nullptr).release(),
             SkDisplacementMapEffect::Create(SkDisplacementMapEffect::kR_ChannelSelectorType,
                                             SkDisplacementMapEffect::kR_ChannelSelectorType,
                                             SkIntToScalar(12),
                                             gradient.get(),
                                             checkerboard.get()),
             SkDilateImageFilter::Make(1, 1, checkerboard).release(),
             SkErodeImageFilter::Make(1, 1, checkerboard).release(),
             SkOffsetImageFilter::Make(SkIntToScalar(32), 0, nullptr).release(),
             SkImageFilter::MakeMatrixFilter(resizeMatrix, kNone_SkFilterQuality, nullptr).release(),
             SkPaintImageFilter::Make(noisePaint).release(),
@@ skipping 65 matching lines @@
 
     sk_sp<SkImage> fCheckerboard, fGradientCircle;
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new ImageFiltersScaledGM;)
 }