Convert //components/user_prefs from scoped_ptr to std::unique_ptr

components/user_prefs/tracked/pref_hash_store_impl.h

 // Copyright 2013 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 COMPONENTS_USER_PREFS_TRACKED_PREF_HASH_STORE_IMPL_H_
 #define COMPONENTS_USER_PREFS_TRACKED_PREF_HASH_STORE_IMPL_H_
 
+#include <memory>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "components/user_prefs/tracked/pref_hash_calculator.h"
 #include "components/user_prefs/tracked/pref_hash_store.h"
 
 class HashStoreContents;
 class PrefHashStoreTransaction;
 
 // Implements PrefHashStoreImpl by storing preference hashes in a
 // HashStoreContents.
 class PrefHashStoreImpl : public PrefHashStore {
  public:
@@ skipping 14 matching lines @@
   // previously stored hashes in |contents|.
   PrefHashStoreImpl(const std::string& seed,
                     const std::string& device_id,
                     bool use_super_mac);
 
   ~PrefHashStoreImpl() override;
 
   // Provides an external HashStoreContents implementation to be used.
   // BeginTransaction() will ignore |storage| if this is provided.
   void set_legacy_hash_store_contents(
-      scoped_ptr<HashStoreContents> legacy_hash_store_contents);
+      std::unique_ptr<HashStoreContents> legacy_hash_store_contents);
 
   // Clears the contents of this PrefHashStore. |IsInitialized()| will return
   // false after this call.
   void Reset();
 
   // PrefHashStore implementation.
-  scoped_ptr<PrefHashStoreTransaction> BeginTransaction(
-      scoped_ptr<HashStoreContents> storage) override;
+  std::unique_ptr<PrefHashStoreTransaction> BeginTransaction(
+      std::unique_ptr<HashStoreContents> storage) override;
 
  private:
   class PrefHashStoreTransactionImpl;
 
   const PrefHashCalculator pref_hash_calculator_;
-  scoped_ptr<HashStoreContents> legacy_hash_store_contents_;
+  std::unique_ptr<HashStoreContents> legacy_hash_store_contents_;
   bool use_super_mac_;
 
   DISALLOW_COPY_AND_ASSIGN(PrefHashStoreImpl);
 };
 
 #endif  // COMPONENTS_USER_PREFS_TRACKED_PREF_HASH_STORE_IMPL_H_