Update DropShadowImageFilter to sk_sp

gm/imagefiltersbase.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkCanvas.h"
 #include "SkColorFilter.h"
@@ skipping 184 matching lines @@
             draw_bitmap,
         };
 
         auto cf = SkColorFilter::MakeModeFilter(SK_ColorRED, SkXfermode::kSrcIn_Mode);
         sk_sp<SkImageFilter> filters[] = {
             nullptr,
             IdentityImageFilter::Make(nullptr),
             FailImageFilter::Make(),
             SkColorFilterImageFilter::Make(std::move(cf), nullptr),
             SkBlurImageFilter::Make(12.0f, 0.0f, nullptr),
-            sk_sp<SkImageFilter>(SkDropShadowImageFilter::Create(
+            SkDropShadowImageFilter::Make(
                                     10.0f, 5.0f, 3.0f, 3.0f, SK_ColorBLUE,
-                                    SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode)),
+                                    SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode,
+                                    nullptr),
         };
 
         SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64));
         SkScalar MARGIN = SkIntToScalar(16);
         SkScalar DX = r.width() + MARGIN;
         SkScalar DY = r.height() + MARGIN;
 
         canvas->translate(MARGIN, MARGIN);
         for (size_t i = 0; i < SK_ARRAY_COUNT(drawProc); ++i) {
             canvas->save();
@@ skipping 97 matching lines @@
 
 class ImageFiltersText_CF : public ImageFiltersTextBaseGM {
 public:
     ImageFiltersText_CF() : ImageFiltersTextBaseGM("color") {}
 
     void installFilter(SkPaint* paint) override {
         paint->setColorFilter(SkColorFilter::MakeModeFilter(SK_ColorBLUE, SkXfermode::kSrcIn_Mode));
     }
 };
 DEF_GM( return new ImageFiltersText_CF; )