Move webrtc/{base => rtc_base}

webrtc/base/thread_checker_impl.h

 /*
  *  Copyright (c) 2014 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.
  */
 
 // Borrowed from Chromium's src/base/threading/thread_checker_impl.h.
 
 #ifndef WEBRTC_BASE_THREAD_CHECKER_IMPL_H_
 #define WEBRTC_BASE_THREAD_CHECKER_IMPL_H_
 
-#include "webrtc/base/criticalsection.h"
-#include "webrtc/base/platform_thread_types.h"
 
-namespace rtc {
-
-// Real implementation of ThreadChecker, for use in debug mode, or
-// for temporary use in release mode (e.g. to RTC_CHECK on a threading issue
-// seen only in the wild).
-//
-// Note: You should almost always use the ThreadChecker class to get the
-// right version for your build configuration.
-class ThreadCheckerImpl {
- public:
-  ThreadCheckerImpl();
-  ~ThreadCheckerImpl();
-
-  bool CalledOnValidThread() const;
-
-  // Changes the thread that is checked for in CalledOnValidThread.  This may
-  // be useful when an object may be created on one thread and then used
-  // exclusively on another thread.
-  void DetachFromThread();
-
- private:
-  CriticalSection lock_;
-  // This is mutable so that CalledOnValidThread can set it.
-  // It's guarded by |lock_|.
-  mutable PlatformThreadRef valid_thread_;
-};
-
-}  // 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/thread_checker_impl.h"
 
 #endif  // WEBRTC_BASE_THREAD_CHECKER_IMPL_H_