Move webrtc/{base => rtc_base}

webrtc/base/sequenced_task_checker_impl.h

 /*
  *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_BASE_SEQUENCED_TASK_CHECKER_IMPL_H_
 #define WEBRTC_BASE_SEQUENCED_TASK_CHECKER_IMPL_H_
 
-#include "webrtc/base/thread_checker.h"
 
-namespace rtc {
+// This header is deprecated and is just left here temporarily during
+// refactoring. See https://bugs.webrtc.org/7634 for more details.
+#include "webrtc/rtc_base/sequenced_task_checker_impl.h"
 
-class TaskQueue;
-// Real implementation of SequencedTaskChecker, for use in debug mode, or
-// for temporary use in release mode.
-//
-// Note: You should almost always use the SequencedTaskChecker class to get the
-// right version for your build configuration.
-class SequencedTaskCheckerImpl {
- public:
-  SequencedTaskCheckerImpl();
-  ~SequencedTaskCheckerImpl();
-
-  bool CalledSequentially() const;
-
-  // Changes the task queue or thread that is checked for in IsCurrent.  This
-  // may be useful when an object may be created on one task queue / thread and
-  // then used exclusively on another thread.
-  void Detach();
-
- private:
-  typedef const void* QueueId;
-  CriticalSection lock_;
-  ThreadChecker thread_checker_;
-  mutable bool attached_;
-  mutable QueueId valid_queue_;
-};
-
-}  // namespace rtc
 #endif  // WEBRTC_BASE_SEQUENCED_TASK_CHECKER_IMPL_H_