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

chrome/browser/chromeos/preferences_chromeos_browsertest.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 <sys/types.h>
 
 #include "ash/shell.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
@@ skipping 160 matching lines @@
   PrefService* prefs2 =
       ProfileHelper::Get()->GetProfileByUserUnsafe(user2)->GetPrefs();
   SetPrefs(prefs2, true);
 
   // Check that settings were changed accordingly.
   EXPECT_TRUE(user2->is_active());
   CheckSettingsCorrespondToPrefs(prefs2);
 
   // Check that changing prefs of the active user doesn't affect prefs of the
   // inactive user.
-  scoped_ptr<base::DictionaryValue> prefs_backup =
+  std::unique_ptr<base::DictionaryValue> prefs_backup =
       prefs1->GetPreferenceValues();
   SetPrefs(prefs2, false);
   CheckSettingsCorrespondToPrefs(prefs2);
   EXPECT_TRUE(prefs_backup->Equals(prefs1->GetPreferenceValues().get()));
   SetPrefs(prefs2, true);
   CheckSettingsCorrespondToPrefs(prefs2);
   EXPECT_TRUE(prefs_backup->Equals(prefs1->GetPreferenceValues().get()));
 
   // Check that changing prefs of the inactive user doesn't affect prefs of the
   // active user.
@@ skipping 16 matching lines @@
                      !prefs1->GetBoolean(prefs::kTapToClickEnabled));
   CheckLocalStateCorrespondsToPrefs(prefs1);
 
   // Switch user back.
   user_manager->SwitchActiveUser(test_users_[0]);
   CheckSettingsCorrespondToPrefs(prefs1);
   CheckLocalStateCorrespondsToPrefs(prefs1);
 }
 
 }  // namespace chromeos