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

chrome/browser/extensions/activity_log/activity_database_unittest.cc

 // Copyright (c) 2012 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 <string>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 148 matching lines @@
     statement.BindString(0, api_name_pattern);
     if (!statement.Step())
       return -1;
     return statement.ColumnInt(0);
   }
 
  private:
 #if defined OS_CHROMEOS
   chromeos::ScopedTestDeviceSettingsService test_device_settings_service_;
   chromeos::ScopedTestCrosSettings test_cros_settings_;
-  scoped_ptr<chromeos::ScopedTestUserManager> test_user_manager_;
+  std::unique_ptr<chromeos::ScopedTestUserManager> test_user_manager_;
 #endif
 
   ActivityDatabaseTestPolicy* db_delegate_;
 };
 
 // Check that the database is initialized properly.
 TEST_F(ActivityDatabaseTest, Init) {
   base::ScopedTempDir temp_dir;
   base::FilePath db_file;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
@@ skipping 101 matching lines @@
   ActivityDatabaseTestPolicy* delegate = new ActivityDatabaseTestPolicy();
   ActivityDatabase* activity_db = new ActivityDatabase(delegate);
   scoped_refptr<Action> action = new Action(
       "punky", base::Time::Now(), Action::ACTION_API_CALL, "brewster");
   action->mutable_args()->AppendString("woof");
   delegate->Record(activity_db, action);
   activity_db->Close();
 }
 
 }  // namespace extensions