SkPDF: use sk_ref_sp

src/pdf/SkPDFDevice.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkPDFDevice.h"
 
 #include "SkAnnotationKeys.h"
@@ skipping 1693 matching lines @@
         fInitialTransform.mapRect(&r, linkToDestination.rect);
         array->appendObject(
                 create_link_named_dest(linkToDestination.data.get(), r));
     }
 }
 
 void SkPDFDevice::appendDestinations(SkPDFDict* dict, SkPDFObject* page) const {
     for (const NamedDestination& dest : fNamedDestinations) {
         auto pdfDest = sk_make_sp<SkPDFArray>();
         pdfDest->reserve(5);
-        pdfDest->appendObjRef(sk_sp<SkPDFObject>(SkRef(page)));
+        pdfDest->appendObjRef(sk_ref_sp(page));
         pdfDest->appendName("XYZ");
         SkPoint p = fInitialTransform.mapXY(dest.point.x(), dest.point.y());
         pdfDest->appendScalar(p.x());
         pdfDest->appendScalar(p.y());
         pdfDest->appendInt(0);  // Leave zoom unchanged
         SkString name(static_cast<const char*>(dest.nameData->data()));
         dict->insertObject(name, std::move(pdfDest));
     }
 }
 
@@ skipping 601 matching lines @@
         pdfimage.reset(SkPDFCreateBitmapObject(
                                image, fCanon->getPixelSerializer()));
         if (!pdfimage) {
             return;
         }
         fCanon->addPDFBitmap(image->uniqueID(), pdfimage.get());
     }
     SkPDFUtils::DrawFormXObject(this->addXObjectResource(pdfimage.get()),
                                 &content.entry()->fContent);
 }