sk_sp versions of newWithColorFilter and newWithLocalMatrix

src/core/SkBlitter.cpp

Index: src/core/SkBlitter.cpp
diff --git a/src/core/SkBlitter.cpp b/src/core/SkBlitter.cpp
index 9fcab9c98225ec5ea18ccb1e8f8b40a0eb772fe7..04897e3828af4ec077ec27102e88b279437969a8 100644
--- a/src/core/SkBlitter.cpp
+++ b/src/core/SkBlitter.cpp
@@ -867,8 +867,8 @@ SkBlitter* SkBlitter::Choose(const SkPixmap& device,
 
     if (cf) {
         SkASSERT(shader);
-        shader = shader->newWithColorFilter(cf);
-        paint.writable()->setShader(shader)->unref();
+        paint.writable()->setShader(shader->makeWithColorFilter(cf));
+        shader = paint->getShader();
         // blitters should ignore the presence/absence of a filter, since
         // if there is one, the shader will take care of it.
     }