Reland of [2] of "switch colorfilters to sk_sp (patchset #11 id:200001 of https://codereview.chromium.o… (patchset #1 id:1 of https://codereview.chromium.org/1821103004/ )

Reason for revert:
guard has now landed in chrome

Original issue's description:
> Revert of Revert[2] of "switch colorfilters to sk_sp (patchset #11 id:200001 of https://codereview.chromium.o… (patchset #3 id:40001 of https://codereview.chromium.org/1825073002/ )
>
> Reason for revert:
> CreateModeFilter not compiling
>
> Original issue's description:
> > Revert[2] of "switch colorfilters to sk_sp (patchset #11 id:200001 of https://codereview.chromium.org/1822623002/ )"
> >
> > Fixed legacy withColorFilter to call new(er) make method
> >
> > This reverts commit 1eb81db650d31f50be67b12d60c4f9e7dd08432f.
> >
> > BUG=skia:
> > GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1825073002
> >
> > TBR=
> >
> > Committed: https://skia.googlesource.com/skia/+/4c9776b046dd5e9e46e2d1ce35154855c8fcb381
>
> TBR=
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/d6889293dd0942f27f9593f679722c956831f2c4

TBR=
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=skia:

Review URL: https://codereview.chromium.org/1827433002
diff --git a/src/utils/SkLua.cpp b/src/utils/SkLua.cpp
index 56e2b41..d0b6a4b 100644
--- a/src/utils/SkLua.cpp
+++ b/src/utils/SkLua.cpp
@@ -1114,7 +1114,7 @@
 
 static int lpaint_setColorFilter(lua_State* L) {
     SkPaint* paint = get_obj<SkPaint>(L, 1);
-    paint->setColorFilter(get_ref<SkColorFilter>(L, 2));
+    paint->setColorFilter(sk_ref_sp(get_ref<SkColorFilter>(L, 2)));
     return 0;
 }