Convert //chrome from scoped_ptr to std::unique_ptr

chrome/utility/safe_browsing/mac/dmg_iterator.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_DMG_ITERATOR_H_
 #define CHROME_UTILITY_SAFE_BROWSING_MAC_DMG_ITERATOR_H_
 
 #include <stddef.h>
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/strings/string16.h"
 #include "chrome/utility/safe_browsing/mac/udif.h"
 
 namespace safe_browsing {
 namespace dmg {
 
 class HFSIterator;
 class ReadStream;
 
@@ skipping 15 matching lines @@
   bool Open();
 
   // Advances the iterator to the next file item. Returns true on success
   // and false on end-of-iterator.
   bool Next();
 
   // Returns the full path in a DMG filesystem to the current file item.
   base::string16 GetPath();
 
   // Returns a ReadStream for the current file item.
-  scoped_ptr<ReadStream> GetReadStream();
+  std::unique_ptr<ReadStream> GetReadStream();
 
  private:
   UDIFParser udif_;  // The UDIF parser that accesses the partitions.
   ScopedVector<ReadStream> partitions_;  // Streams for all the HFS partitions.
   size_t current_partition_;  // The index in |partitions_| of the current one.
-  scoped_ptr<HFSIterator> hfs_;  // The HFSIterator for |current_partition_|.
+  std::unique_ptr<HFSIterator>
+      hfs_;  // The HFSIterator for |current_partition_|.
 
   DISALLOW_COPY_AND_ASSIGN(DMGIterator);
 };
 
 }  // namespace dmg
 }  // namespace safe_browsing
 
 #endif  // CHROME_UTILITY_SAFE_BROWSING_MAC_DMG_ITERATOR_H_