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/gm/vertices.cpp b/gm/vertices.cpp
index 177dc43..9c4ccc1 100644
--- a/gm/vertices.cpp
+++ b/gm/vertices.cpp
@@ -26,17 +26,17 @@
     return SkShader::MakeColorShader(SK_ColorBLUE);
 }
 
-static SkColorFilter* make_color_filter() {
-    return SkColorFilter::CreateModeFilter(0xFFAABBCC, SkXfermode::kDarken_Mode);
+static sk_sp<SkColorFilter> make_color_filter() {
+    return SkColorFilter::MakeModeFilter(0xFFAABBCC, SkXfermode::kDarken_Mode);
 }
 
 class VerticesGM : public skiagm::GM {
-    SkPoint                     fPts[9];
-    SkPoint                     fTexs[9];
-    SkColor                     fColors[9];
-    sk_sp<SkShader>             fShader1;
-    sk_sp<SkShader>             fShader2;
-    SkAutoTUnref<SkColorFilter> fColorFilter;
+    SkPoint                 fPts[9];
+    SkPoint                 fTexs[9];
+    SkColor                 fColors[9];
+    sk_sp<SkShader>         fShader1;
+    sk_sp<SkShader>         fShader2;
+    sk_sp<SkColorFilter>    fColorFilter;
 
 public:
     VerticesGM() {}
@@ -60,7 +60,7 @@
 
         fShader1 = make_shader1(w, h);
         fShader2 = make_shader2();
-        fColorFilter.reset(make_color_filter());
+        fColorFilter = make_color_filter();
 
         SkRandom rand;
         for (size_t i = 0; i < SK_ARRAY_COUNT(fColors); ++i) {
@@ -85,11 +85,11 @@
         };
 
         const struct {
-            const SkColor*          fColors;
-            const SkPoint*          fTexs;
-            const sk_sp<SkShader>&  fShader;
-            SkColorFilter*          fColorFilter;
-            uint8_t                 fAlpha;
+            const SkColor*              fColors;
+            const SkPoint*              fTexs;
+            const sk_sp<SkShader>&      fShader;
+            const sk_sp<SkColorFilter>& fColorFilter;
+            uint8_t                     fAlpha;
         } rec[] = {
             { fColors,  nullptr, fShader1, nullptr     , 0xFF },
             { nullptr,  fTexs  , fShader1, nullptr     , 0xFF },