Reland of [2] of "switch colorfilters to sk_sp (patchset #11 id:200001 of https://codereview.chromium.o…

gm/colorfilters.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 "gm.h"
 #include "SkCanvas.h"
 #include "SkColorMatrixFilter.h"
@@ skipping 12 matching lines @@
                                         SkShader::kClamp_TileMode);
 }
 
 typedef void (*InstallPaint)(SkPaint*, uint32_t, uint32_t);
 
 static void install_nothing(SkPaint* paint, uint32_t, uint32_t) {
     paint->setColorFilter(nullptr);
 }
 
 static void install_lighting(SkPaint* paint, uint32_t mul, uint32_t add) {
-    paint->setColorFilter(SkColorMatrixFilter::CreateLightingFilter(mul, add))->unref();
+    paint->setColorFilter(SkColorMatrixFilter::MakeLightingFilter(mul, add));
 }
 
 class ColorFiltersGM : public skiagm::GM {
 public:
     ColorFiltersGM() {
         fName.set("lightingcolorfilter");
     }
 
 protected:
     virtual SkString onShortName() override {
@@ skipping 33 matching lines @@
 
 private:
     SkString fName;
     typedef GM INHERITED;
 };
 
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new ColorFiltersGM;)