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

chrome/browser/extensions/api/easy_unlock_private/easy_unlock_private_crypto_delegate.h

 // Copyright 2014 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_EASY_UNLOCK_PRIVATE_EASY_UNLOCK_PRIVATE_CRYPTO_DELEGATE_H_
 #define CHROME_BROWSER_EXTENSIONS_API_EASY_UNLOCK_PRIVATE_EASY_UNLOCK_PRIVATE_CRYPTO_DELEGATE_H_
 
+#include <memory>
 #include <string>
 
 #include "base/callback.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/common/extensions/api/easy_unlock_private.h"
 
 namespace extensions {
 
 // Wrapper around EasyUnlock dbus client on Chrome OS. The methods read
 // extension function pearameters and invoke the associated EasyUnlock dbus
 // client methods. On non-Chrome OS platforms, the methods are stubbed out.
 class EasyUnlockPrivateCryptoDelegate {
  public:
   typedef base::Callback<void(const std::string& data)> DataCallback;
 
   typedef base::Callback<void(const std::string& public_key,
                               const std::string& private_key)>
       KeyPairCallback;
 
   virtual ~EasyUnlockPrivateCryptoDelegate() {}
 
   // Creates platform specific delegate instance. Non Chrome OS implementations
   // currently do nothing but invoke callbacks with empty data.
-  static scoped_ptr<EasyUnlockPrivateCryptoDelegate> Create();
+  static std::unique_ptr<EasyUnlockPrivateCryptoDelegate> Create();
 
   // See chromeos/dbus/easy_unlock_client.h for info on these methods.
   virtual void GenerateEcP256KeyPair(const KeyPairCallback& callback) = 0;
   virtual void PerformECDHKeyAgreement(
       const api::easy_unlock_private::PerformECDHKeyAgreement::Params& params,
       const DataCallback& callback) = 0;
   virtual void CreateSecureMessage(
       const api::easy_unlock_private::CreateSecureMessage::Params& params,
       const DataCallback& callback) = 0;
   virtual void UnwrapSecureMessage(
       const api::easy_unlock_private::UnwrapSecureMessage::Params& params,
       const DataCallback& callback) = 0;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_EASY_UNLOCK_PRIVATE_EASY_UNLOCK_PRIVATE_CRYPTO_DELEGATE_H_