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

chrome/browser/ui/webui/chromeos/login/signin_userlist_unittest.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 <stddef.h>
 
 #include "ash/test/ash_test_base.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "chrome/browser/chromeos/login/screens/user_selection_screen.h"
@@ skipping 60 matching lines @@
     controller_.reset();
     profile_manager_.reset();
     ash::test::AshTestBase::TearDown();
   }
 
   // MultiProfileUserControllerDelegate overrides:
   void OnUserNotAllowed(const std::string& user_email) override {}
 
   FakeChromeUserManager* fake_user_manager_;
   ScopedUserManagerEnabler user_manager_enabler_;
-  scoped_ptr<TestingProfileManager> profile_manager_;
+  std::unique_ptr<TestingProfileManager> profile_manager_;
   std::map<std::string, proximity_auth::ScreenlockBridge::LockHandler::AuthType>
       user_auth_type_map;
-  scoped_ptr<MultiProfileUserController> controller_;
+  std::unique_ptr<MultiProfileUserController> controller_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninPrepareUserListTest);
 };
 
 TEST_F(SigninPrepareUserListTest, AlwaysKeepOwnerInList) {
   EXPECT_LT(kMaxUsers, fake_user_manager_->GetUsers().size());
   user_manager::UserList users_to_send =
       UserSelectionScreen::PrepareUserListForSending(
           fake_user_manager_->GetUsers(), AccountId::FromUserEmail(kOwner),
           true /* is signin to add */);
@@ skipping 25 matching lines @@
 
   users_to_send = UserSelectionScreen::PrepareUserListForSending(
       fake_user_manager_->GetUsers(), AccountId::FromUserEmail(kOwner),
       false /* is signin to add */);
 
   EXPECT_EQ(kMaxUsers, users_to_send.size());
   EXPECT_EQ("public0@gmail.com", users_to_send.front()->email());
 }
 
 }  // namespace chromeos