| // Copyright 2018 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 "base/observer_list_internal.h" | 
 |  | 
 | namespace base { | 
 | namespace internal { | 
 |  | 
 | CheckedObserverAdapter::CheckedObserverAdapter(const CheckedObserver* observer) | 
 |     : weak_ptr_(observer->factory_.GetWeakPtr()) {} | 
 |  | 
 | CheckedObserverAdapter::CheckedObserverAdapter(CheckedObserverAdapter&& other) = | 
 |     default; | 
 | CheckedObserverAdapter& CheckedObserverAdapter::operator=( | 
 |     CheckedObserverAdapter&& other) = default; | 
 | CheckedObserverAdapter::~CheckedObserverAdapter() = default; | 
 |  | 
 | }  // namespace internal | 
 | }  // namespace base |