Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

chrome/browser/extensions/api/storage/policy_value_store.h

 // Copyright (c) 2012 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_BROWSER_EXTENSIONS_API_STORAGE_POLICY_VALUE_STORE_H_
 #define CHROME_BROWSER_EXTENSIONS_API_STORAGE_POLICY_VALUE_STORE_H_
 
 #include <stddef.h>
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "extensions/browser/api/storage/settings_observer.h"
 #include "extensions/browser/value_store/value_store.h"
 
 namespace policy {
 class PolicyMap;
 }
 
 namespace extensions {
 
 // A ValueStore that is backed by another, persistent ValueStore, and stores
 // the policies for a specific extension there. This ValueStore is used to
 // run the function of the storage.managed namespace; it's read-only for the
 // extension. The ManagedValueStoreCache sends updated policy to this store
 // and manages its lifetime.
 class PolicyValueStore : public ValueStore {
  public:
   PolicyValueStore(const std::string& extension_id,
                    const scoped_refptr<SettingsObserverList>& observers,
-                   scoped_ptr<ValueStore> delegate);
+                   std::unique_ptr<ValueStore> delegate);
   ~PolicyValueStore() override;
 
   // Stores |policy| in the persistent database represented by the |delegate_|
   // and notifies observers with the changes from the previous policy.
   void SetCurrentPolicy(const policy::PolicyMap& policy);
 
   // Clears all the stored data and deletes the database.
   void DeleteStorage();
 
   // ValueStore implementation:
@@ skipping 11 matching lines @@
   WriteResult Remove(const std::string& key) override;
   WriteResult Remove(const std::vector<std::string>& keys) override;
   WriteResult Clear() override;
 
   // For unit tests.
   ValueStore* delegate() { return delegate_.get(); }
 
  private:
   std::string extension_id_;
   scoped_refptr<SettingsObserverList> observers_;
-  scoped_ptr<ValueStore> delegate_;
+  std::unique_ptr<ValueStore> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyValueStore);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_STORAGE_POLICY_VALUE_STORE_H_