Convert //chrome from scoped_ptr to std::unique_ptr

chrome/utility/safe_browsing/mac/hfs.h

 // 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.
 
 #ifndef CHROME_UTILITY_SAFE_BROWSING_MAC_HFS_H_
 #define CHROME_UTILITY_SAFE_BROWSING_MAC_HFS_H_
 
 #include <hfs/hfs_format.h>
 #include <stdint.h>
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 
 namespace safe_browsing {
 namespace dmg {
 
 class ReadStream;
 class HFSBTreeIterator;
 class HFSForkReadStream;
 
 // HFSIterator is a read-only iterator over an HFS+ file system. It provides
@@ skipping 38 matching lines @@
   bool IsHardLink();
 
   // Returns true if the current iterator item is decmpfs-compressed.
   bool IsDecmpfsCompressed();
 
   // Returns the full filesystem path of the current iterator item.
   base::string16 GetPath();
 
   // Returns a stream for the data fork of the current iterator item. This may
   // only be called if IsDirectory() and IsHardLink() returns false.
-  scoped_ptr<ReadStream> GetReadStream();
+  std::unique_ptr<ReadStream> GetReadStream();
 
  private:
   friend class HFSForkReadStream;
 
   // Moves the |stream_| position to a specific HFS+ |block|.
   bool SeekToBlock(uint64_t block);
 
   // Reads the catalog file to initialize the iterator.
   bool ReadCatalogFile();
 
   uint32_t block_size() const { return volume_header_.blockSize; }
   ReadStream* stream() const { return stream_; }
 
   ReadStream* const stream_;  // The stream backing the filesystem.
   HFSPlusVolumeHeader volume_header_;
-  scoped_ptr<HFSForkReadStream> catalog_file_;  // Data of the catalog file.
-  scoped_ptr<HFSBTreeIterator> catalog_;  // Iterator over the catalog file.
+  std::unique_ptr<HFSForkReadStream>
+      catalog_file_;  // Data of the catalog file.
+  std::unique_ptr<HFSBTreeIterator>
+      catalog_;  // Iterator over the catalog file.
 
   DISALLOW_COPY_AND_ASSIGN(HFSIterator);
 };
 
 }  // namespace dmg
 }  // namespace safe_browsing
 
 #endif  // CHROME_UTILITY_SAFE_BROWSING_MAC_HFS_H_