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

src/core/SkColorMatrixFilterRowMajor255.cpp

Index: src/core/SkColorMatrixFilterRowMajor255.cpp
diff --git a/src/core/SkColorMatrixFilterRowMajor255.cpp b/src/core/SkColorMatrixFilterRowMajor255.cpp
index 09df61699d1e6dedde7ee2d83c623c1002ca405a..bd9a66a561a50f4744f07480c23d200658a4efc9 100644
--- a/src/core/SkColorMatrixFilterRowMajor255.cpp
+++ b/src/core/SkColorMatrixFilterRowMajor255.cpp
@@ -226,12 +226,13 @@
 //  End duplication
 //////
 
-SkColorFilter* SkColorMatrixFilterRowMajor255::newComposed(const SkColorFilter* innerFilter) const {
+sk_sp<SkColorFilter>
+SkColorMatrixFilterRowMajor255::makeComposed(sk_sp<SkColorFilter> innerFilter) const {
     SkScalar innerMatrix[20];
     if (innerFilter->asColorMatrix(innerMatrix) && !needs_clamping(innerMatrix)) {
         SkScalar concat[20];
         set_concat(concat, fMatrix, innerMatrix);
-        return new SkColorMatrixFilterRowMajor255(concat);
+        return sk_make_sp<SkColorMatrixFilterRowMajor255>(concat);
     }
     return nullptr;
 }
@@ -417,15 +418,16 @@
 
 ///////////////////////////////////////////////////////////////////////////////
 
-SkColorFilter* SkColorFilter::CreateMatrixFilterRowMajor255(const SkScalar array[20]) {
-    return new SkColorMatrixFilterRowMajor255(array);
-}
-
-///////////////////////////////////////////////////////////////////////////////
-
-SkColorFilter* SkColorMatrixFilterRowMajor255::CreateSingleChannelOutput(const SkScalar row[5]) {
+sk_sp<SkColorFilter> SkColorFilter::MakeMatrixFilterRowMajor255(const SkScalar array[20]) {
+    return sk_sp<SkColorFilter>(new SkColorMatrixFilterRowMajor255(array));
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+sk_sp<SkColorFilter>
+SkColorMatrixFilterRowMajor255::MakeSingleChannelOutput(const SkScalar row[5]) {
     SkASSERT(row);
-    SkColorMatrixFilterRowMajor255* cf = new SkColorMatrixFilterRowMajor255();
+    auto cf = sk_make_sp<SkColorMatrixFilterRowMajor255>();
     static_assert(sizeof(SkScalar) * 5 * 4 == sizeof(cf->fMatrix), "sizes don't match");
     for (int i = 0; i < 4; ++i) {
         memcpy(cf->fMatrix + 5 * i, row, sizeof(SkScalar) * 5);