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

chrome/browser/chromeos/login/signin/merge_session_load_page_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 <stdint.h>
 
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "base/time/time.h"
 #include "chrome/browser/chromeos/login/signin/merge_session_load_page.h"
@@ skipping 101 matching lines @@
 
   void SetSessionRestoreStart(const base::Time& time) {
     OAuth2LoginManager* login_manager = GetOAuth2LoginManager();
     ASSERT_TRUE(login_manager);
     login_manager->SetSessionRestoreStartForTesting(time);
   }
 
  private:
   ScopedTestDeviceSettingsService test_device_settings_service_;
   ScopedTestCrosSettings test_cros_settings_;
-  scoped_ptr<chromeos::ScopedTestUserManager> test_user_manager_;
+  std::unique_ptr<chromeos::ScopedTestUserManager> test_user_manager_;
 };
 
 TEST_F(MergeSessionLoadPageTest, MergeSessionPageNotShown) {
   SetMergeSessionState(OAuth2LoginManager::SESSION_RESTORE_DONE);
   // Start a load.
   Navigate(kURL1, 1, 0, true);
   // Load next page.
   controller().LoadURL(GURL(kURL2), content::Referrer(),
                        ui::PAGE_TRANSITION_TYPED, std::string());
 
@@ skipping 44 matching lines @@
 
   // The URL remains to be URL2.
   EXPECT_EQ(kURL2, web_contents()->GetVisibleURL().spec());
 
   // Commit navigation and the interstitial page is gone.
   Navigate(kURL2, 2, pending_id, true);
   EXPECT_FALSE(GetMergeSessionLoadPage());
 }
 
 }  // namespace chromeos