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/color4f.cpp b/gm/color4f.cpp
index 2d5b7d2..ec9bbcb 100644
--- a/gm/color4f.cpp
+++ b/gm/color4f.cpp
@@ -22,43 +22,43 @@
     return SkShader::MakeColorShader(0x80FF0000);
 }
 
-static SkColorFilter* make_cf_null() {
+static sk_sp<SkColorFilter> make_cf_null() {
     return nullptr;
 }
 
-static SkColorFilter* make_cf0() {
+static sk_sp<SkColorFilter> make_cf0() {
     SkColorMatrix cm;
     cm.setSaturation(0.75f);
-    return SkColorMatrixFilter::Create(cm);
+    return SkColorFilter::MakeMatrixFilterRowMajor255(cm.fMat);
 }
 
-static SkColorFilter* make_cf1() {
+static sk_sp<SkColorFilter> make_cf1() {
     SkColorMatrix cm;
     cm.setSaturation(0.75f);
-    SkAutoTUnref<SkColorFilter> a(SkColorMatrixFilter::Create(cm));
+    auto a(SkColorFilter::MakeMatrixFilterRowMajor255(cm.fMat));
     // CreateComposedFilter will try to concat these two matrices, resulting in a single
     // filter (which is good for speed). For this test, we want to force a real compose of
     // these two, so our inner filter has a scale-up, which disables the optimization of
     // combining the two matrices.
     cm.setScale(1.1f, 0.9f, 1);
-    SkAutoTUnref<SkColorFilter> b(SkColorMatrixFilter::Create(cm));
-    return SkColorFilter::CreateComposeFilter(a, b);
+    auto b(SkColorFilter::MakeMatrixFilterRowMajor255(cm.fMat));
+    return SkColorFilter::MakeComposeFilter(a, b);
 }
 
-static SkColorFilter* make_cf2() {
-    return SkColorFilter::CreateModeFilter(0x8044CC88, SkXfermode::kSrcATop_Mode);
+static sk_sp<SkColorFilter> make_cf2() {
+    return SkColorFilter::MakeModeFilter(0x8044CC88, SkXfermode::kSrcATop_Mode);
 }
 
 static void draw_into_canvas(SkCanvas* canvas) {
     const SkRect r = SkRect::MakeWH(50, 100);
     sk_sp<SkShader> (*shaders[])() { make_opaque_color, make_alpha_color };
-    SkColorFilter* (*filters[])() { make_cf_null, make_cf0, make_cf1, make_cf2 };
+    sk_sp<SkColorFilter> (*filters[])() { make_cf_null, make_cf0, make_cf1, make_cf2 };
     
     SkPaint paint;
     for (auto shProc : shaders) {
         paint.setShader(shProc());
         for (auto cfProc : filters) {
-            SkSafeUnref(paint.setColorFilter(cfProc()));
+            paint.setColorFilter(cfProc());
             canvas->drawRect(r, paint);
             canvas->translate(60, 0);
         }