Switch SkLocalMatrixImageFilter and SkPaintImageFilter over to sk_sp

src/effects/SkPaintImageFilter.cpp

Index: src/effects/SkPaintImageFilter.cpp
diff --git a/src/effects/SkPaintImageFilter.cpp b/src/effects/SkPaintImageFilter.cpp
index 7056f26863fcba0cd2bb9ca85db03800a5df42db..cbd793a692685852d789e243fafae6f0ef1cf807 100644
--- a/src/effects/SkPaintImageFilter.cpp
+++ b/src/effects/SkPaintImageFilter.cpp
@@ -12,20 +12,16 @@
 #include "SkSpecialSurface.h"
 #include "SkWriteBuffer.h"
 
-SkImageFilter* SkPaintImageFilter::Create(const SkPaint& paint, const CropRect* cropRect) {
-    return new SkPaintImageFilter(paint, cropRect);
-}
-
 SkPaintImageFilter::SkPaintImageFilter(const SkPaint& paint, const CropRect* cropRect)
-  : INHERITED(0, nullptr, cropRect)
-  , fPaint(paint) {
+    : INHERITED(nullptr, 0, cropRect)
+    , fPaint(paint) {
 }
 
 SkFlattenable* SkPaintImageFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 0);
     SkPaint paint;
     buffer.readPaint(&paint);
-    return Create(paint, &common.cropRect());
+    return SkPaintImageFilter::Make(paint, &common.cropRect()).release();
 }
 
 void SkPaintImageFilter::flatten(SkWriteBuffer& buffer) const {
@@ -80,6 +76,7 @@ bool SkPaintImageFilter::canComputeFastBounds() const {
 #ifndef SK_IGNORE_TO_STRING
 void SkPaintImageFilter::toString(SkString* str) const {
     str->appendf("SkPaintImageFilter: (");
+    fPaint.toString(str);
     str->append(")");
 }
 #endif