Update MagnifierImageFilter to sk_sp

src/effects/SkMagnifierImageFilter.cpp

 /*
  * Copyright 2012 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmap.h"
 #include "SkMagnifierImageFilter.h"
 #include "SkColorPriv.h"
@@ skipping 214 matching lines @@
 }
 
 void GrMagnifierEffect::onComputeInvariantOutput(GrInvariantOutput* inout) const {
     this->updateInvariantOutputForModulation(inout);
 }
 
 #endif
 
 ////////////////////////////////////////////////////////////////////////////////
 
-SkImageFilter* SkMagnifierImageFilter::Create(const SkRect& srcRect, SkScalar inset,
-                                              SkImageFilter* input) {
+sk_sp<SkImageFilter> SkMagnifierImageFilter::Make(const SkRect& srcRect, SkScalar inset,
+                                                  sk_sp<SkImageFilter> input) {
 
     if (!SkScalarIsFinite(inset) || !SkIsValidRect(srcRect)) {
         return nullptr;
     }
     // Negative numbers in src rect are not supported
     if (srcRect.fLeft < 0 || srcRect.fTop < 0) {
         return nullptr;
     }
-    return new SkMagnifierImageFilter(srcRect, inset, input);
+    return sk_sp<SkImageFilter>(new SkMagnifierImageFilter(srcRect, inset, std::move(input)));
 }
 
 
 SkMagnifierImageFilter::SkMagnifierImageFilter(const SkRect& srcRect, SkScalar inset,
-                                               SkImageFilter* input)
-    : INHERITED(1, &input), fSrcRect(srcRect), fInset(inset) {
+                                               sk_sp<SkImageFilter> input)
+    : INHERITED(&input, 1, nullptr)
+    , fSrcRect(srcRect)
+    , fInset(inset) {
     SkASSERT(srcRect.x() >= 0 && srcRect.y() >= 0 && inset >= 0);
 }
 
 #if SK_SUPPORT_GPU
 bool SkMagnifierImageFilter::asFragmentProcessor(GrFragmentProcessor** fp,
                                                  GrTexture* texture, const SkMatrix&,
                                                  const SkIRect&bounds) const {
     if (fp) {
         SkScalar yOffset = texture->origin() == kTopLeft_GrSurfaceOrigin ? fSrcRect.y() :
            texture->height() - fSrcRect.height() * texture->height() / bounds.height()
@@ skipping 16 matching lines @@
                                         bounds.height() * invInset);
     }
     return true;
 }
 #endif
 
 sk_sp<SkFlattenable> SkMagnifierImageFilter::CreateProc(SkReadBuffer& buffer) {
     SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
     SkRect src;
     buffer.readRect(&src);
-    return sk_sp<SkFlattenable>(Create(src, buffer.readScalar(), common.getInput(0).get()));
+    return Make(src, buffer.readScalar(), common.getInput(0));
 }
 
 void SkMagnifierImageFilter::flatten(SkWriteBuffer& buffer) const {
     this->INHERITED::flatten(buffer);
     buffer.writeRect(fSrcRect);
     buffer.writeScalar(fInset);
 }
 
 bool SkMagnifierImageFilter::onFilterImageDeprecated(Proxy* proxy, const SkBitmap& src,
                                                      const Context&, SkBitmap* dst,
@@ skipping 66 matching lines @@
 
 #ifndef SK_IGNORE_TO_STRING
 void SkMagnifierImageFilter::toString(SkString* str) const {
     str->appendf("SkMagnifierImageFilter: (");
     str->appendf("src: (%f,%f,%f,%f) ",
                  fSrcRect.fLeft, fSrcRect.fTop, fSrcRect.fRight, fSrcRect.fBottom);
     str->appendf("inset: %f", fInset);
     str->append(")");
 }
 #endif