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

chrome/browser/chromeos/login/signin/oauth2_login_manager.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 "chrome/browser/chromeos/login/signin/oauth2_login_manager.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 196 matching lines @@
   GetTokenService()->LoadCredentials(std::string());
 }
 
 void OAuth2LoginManager::OnRefreshTokenResponse(
     const std::string& access_token,
     int expires_in_seconds) {
   account_info_fetcher_->GetUserInfo(access_token, kMaxRetries, this);
 }
 
 void OAuth2LoginManager::OnGetUserInfoResponse(
-    scoped_ptr<base::DictionaryValue> user_info) {
+    std::unique_ptr<base::DictionaryValue> user_info) {
   account_info_fetcher_.reset();
 
   std::string gaia_id;
   std::string email;
   user_info->GetString("id", &gaia_id);
   user_info->GetString("email", &email);
 
   AccountTrackerService* account_tracker =
       AccountTrackerServiceFactory::GetForProfile(user_profile_);
   account_tracker->SeedAccountInfo(gaia_id, email);
@@ skipping 191 matching lines @@
   FOR_EACH_OBSERVER(Observer, observer_list_,
                     OnSessionRestoreStateChanged(user_profile_, state_));
 }
 
 void OAuth2LoginManager::SetSessionRestoreStartForTesting(
     const base::Time& time) {
   session_restore_start_ = time;
 }
 
 }  // namespace chromeos