switch colorfilters 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 174 matching lines @@
         canvas->drawRect(r, paint);
     }
 
     void onDraw(SkCanvas* canvas) override {
         void (*drawProc[])(SkCanvas*, const SkRect&, SkImageFilter*) = {
             draw_paint,
             draw_line, draw_rect, draw_path, draw_text,
             draw_bitmap,
         };
 
-        SkColorFilter* cf = SkColorFilter::CreateModeFilter(SK_ColorRED,
-                                                     SkXfermode::kSrcIn_Mode);
+        auto cf = SkColorFilter::MakeModeFilter(SK_ColorRED, SkXfermode::kSrcIn_Mode);
         SkImageFilter* filters[] = {
             nullptr,
             IdentityImageFilter::Create(),
             FailImageFilter::Create(),
-            SkColorFilterImageFilter::Create(cf),
+            SkColorFilterImageFilter::Create(cf.get()),
             SkBlurImageFilter::Create(12.0f, 0.0f),
             SkDropShadowImageFilter::Create(10.0f, 5.0f, 3.0f, 3.0f, SK_ColorBLUE,
                 SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode),
         };
-        cf->unref();
 
         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();
             for (size_t j = 0; j < SK_ARRAY_COUNT(filters); ++j) {
@@ skipping 96 matching lines @@
         paint->setImageFilter(SkBlurImageFilter::Create(1.5f, 1.5f))->unref();
     }
 };
 DEF_GM( return new ImageFiltersText_IF; )
 
 class ImageFiltersText_CF : public ImageFiltersTextBaseGM {
 public:
     ImageFiltersText_CF() : ImageFiltersTextBaseGM("color") {}
 
     void installFilter(SkPaint* paint) override {
-        paint->setColorFilter(SkColorFilter::CreateModeFilter(SK_ColorBLUE, SkXfermode::kSrcIn_Mode))->unref();
+        paint->setColorFilter(SkColorFilter::MakeModeFilter(SK_ColorBLUE, SkXfermode::kSrcIn_Mode));
     }
 };
 DEF_GM( return new ImageFiltersText_CF; )