Re-write many calls to WrapUnique() with MakeUnique()

chrome/utility/safe_browsing/mac/hfs.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/utility/safe_browsing/mac/hfs.h"
 
 #include <libkern/OSByteOrder.h>
 #include <stddef.h>
 #include <sys/stat.h>
 
@@ skipping 292 matching lines @@
 
 base::string16 HFSIterator::GetPath() {
   return catalog_->current_record()->path;
 }
 
 std::unique_ptr<ReadStream> HFSIterator::GetReadStream() {
   if (IsDirectory() || IsHardLink())
     return nullptr;
 
   DCHECK_EQ(kHFSPlusFileRecord, catalog_->current_record()->record_type);
-  return base::WrapUnique(
-      new HFSForkReadStream(this, catalog_->current_record()->file->dataFork));
+  return base::MakeUnique<HFSForkReadStream>(
+      this, catalog_->current_record()->file->dataFork);
 }
 
 bool HFSIterator::SeekToBlock(uint64_t block) {
   uint64_t offset = block * volume_header_.blockSize;
   off_t rv = stream_->Seek(offset, SEEK_SET);
   return rv >= 0 && static_cast<uint64_t>(rv) == offset;
 }
 
 bool HFSIterator::ReadCatalogFile() {
   catalog_file_.reset(new HFSForkReadStream(this, volume_header_.catalogFile));
@@ skipping 320 matching lines @@
   return object;
 }
 
 bool HFSBTreeIterator::IsKeyUnexported(const base::string16& key) {
   return key == kHFSDirMetadataFolder ||
          key == kHFSMetadataFolder;
 }
 
 }  // namespace dmg
 }  // namespace safe_browsing