Move webrtc/{base => rtc_base}

webrtc/base/thread_checker_impl.cc

-/*
- *  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.cc.
-
-#include "webrtc/base/thread_checker_impl.h"
-
-#include "webrtc/base/platform_thread.h"
-
-namespace rtc {
-
-ThreadCheckerImpl::ThreadCheckerImpl() : valid_thread_(CurrentThreadRef()) {
-}
-
-ThreadCheckerImpl::~ThreadCheckerImpl() {
-}
-
-bool ThreadCheckerImpl::CalledOnValidThread() const {
-  const PlatformThreadRef current_thread = CurrentThreadRef();
-  CritScope scoped_lock(&lock_);
-  if (!valid_thread_)  // Set if previously detached.
-    valid_thread_ = current_thread;
-  return IsThreadRefEqual(valid_thread_, current_thread);
-}
-
-void ThreadCheckerImpl::DetachFromThread() {
-  CritScope scoped_lock(&lock_);
-  valid_thread_ = 0;
-}
-
-}  // namespace rtc