Revert of switch colorfilters to sk_sp

src/core/SkPaint.cpp

Index: src/core/SkPaint.cpp
diff --git a/src/core/SkPaint.cpp b/src/core/SkPaint.cpp
index 6fe9d7599d30a7342fe0f3b93301453842f46eb3..19bdcaf0aa97ccd199d86f820b682ec050f8d91f 100644
--- a/src/core/SkPaint.cpp
+++ b/src/core/SkPaint.cpp
@@ -375,9 +375,7 @@
 #endif
 SET_PTR(ImageFilter)
 SET_PTR(Shader)
-#ifdef SK_SUPPORT_LEGACY_COLORFILTER_PTR
 SET_PTR(ColorFilter)
-#endif
 SET_PTR(Xfermode)
 #ifdef SK_SUPPORT_LEGACY_PATHEFFECT_PTR
 SET_PTR(PathEffect)
@@ -1942,7 +1940,7 @@
         this->setShader(buffer.readShader());
         SkSafeUnref(this->setXfermode(buffer.readXfermode()));
         SkSafeUnref(this->setMaskFilter(buffer.readMaskFilter()));
-        this->setColorFilter(buffer.readColorFilter());
+        SkSafeUnref(this->setColorFilter(buffer.readColorFilter()));
         this->setRasterizer(buffer.readRasterizer());
         this->setLooper(buffer.readDrawLooper());
         SkSafeUnref(this->setImageFilter(buffer.readImageFilter()));