sk_sp versions of newWithColorFilter and newWithLocalMatrix

gm/colorfilterimagefilter.cpp

Index: gm/colorfilterimagefilter.cpp
diff --git a/gm/colorfilterimagefilter.cpp b/gm/colorfilterimagefilter.cpp
index b0f67bff300e8beb8bea7099a262573efc56a722..fa33a9c5cba739b80f6e80df8a2a9bfd5ea2fb55 100644
--- a/gm/colorfilterimagefilter.cpp
+++ b/gm/colorfilterimagefilter.cpp
@@ -212,7 +212,7 @@ DEF_SIMPLE_GM(colorfiltershader, canvas, 800, 800) {
         for (int x = -1; x < filters.count(); ++x) {
             SkColorFilter* filter = x >= 0 ? filters[x] : nullptr;
 
-            paint.setShader(shader->newWithColorFilter(filter))->unref();
+            paint.setShader(shader->makeWithColorFilter(filter));
             canvas->drawRect(r, paint);
             canvas->translate(150, 0);
         }