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

chrome/browser/extensions/api/easy_unlock_private/easy_unlock_private_crypto_delegate_stub.cc

 // 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.
 
 #include "base/macros.h"
 #include "chrome/browser/extensions/api/easy_unlock_private/easy_unlock_private_crypto_delegate.h"
 
 namespace extensions {
 
 namespace easy_unlock_private = api::easy_unlock_private;
@@ skipping 30 matching lines @@
     callback.Run("");
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(EasyUnlockPrivateCryptoDelegateStub);
 };
 
 }  // namespace
 
 // static
-scoped_ptr<EasyUnlockPrivateCryptoDelegate>
-    EasyUnlockPrivateCryptoDelegate::Create() {
-  return scoped_ptr<EasyUnlockPrivateCryptoDelegate>(
+std::unique_ptr<EasyUnlockPrivateCryptoDelegate>
+EasyUnlockPrivateCryptoDelegate::Create() {
+  return std::unique_ptr<EasyUnlockPrivateCryptoDelegate>(
       new EasyUnlockPrivateCryptoDelegateStub());
 }
 
 }  // namespace extensions