1 files changed, 0 insertions, 92 deletions
diff --git a/base/sequence_token.cc b/base/sequence_token.cc
deleted file mode 100644
index 264e3b65e3..0000000000
--- a/base/sequence_token.cc
+++ /dev/null
@@ -1,92 +0,0 @@
-// Copyright 2016 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/sequence_token.h"
-
-#include "base/atomic_sequence_num.h"
-#include "base/lazy_instance.h"
-#include "base/logging.h"
-#include "base/threading/thread_local.h"
-
-namespace base {
-
-namespace {
-
-base::StaticAtomicSequenceNumber g_sequence_token_generator;
-
-base::StaticAtomicSequenceNumber g_task_token_generator;
-
-LazyInstance<ThreadLocalPointer<const SequenceToken>>::Leaky
-    tls_current_sequence_token = LAZY_INSTANCE_INITIALIZER;
-
-LazyInstance<ThreadLocalPointer<const TaskToken>>::Leaky
-    tls_current_task_token = LAZY_INSTANCE_INITIALIZER;
-
-}  // namespace
-
-bool SequenceToken::operator==(const SequenceToken& other) const {
-  return token_ == other.token_ && IsValid();
-}
-
-bool SequenceToken::operator!=(const SequenceToken& other) const {
-  return !(*this == other);
-}
-
-bool SequenceToken::IsValid() const {
-  return token_ != kInvalidSequenceToken;
-}
-
-int SequenceToken::ToInternalValue() const {
-  return token_;
-}
-
-SequenceToken SequenceToken::Create() {
-  return SequenceToken(g_sequence_token_generator.GetNext());
-}
-
-SequenceToken SequenceToken::GetForCurrentThread() {
-  const SequenceToken* current_sequence_token =
-      tls_current_sequence_token.Get().Get();
-  return current_sequence_token ? *current_sequence_token : SequenceToken();
-}
-
-bool TaskToken::operator==(const TaskToken& other) const {
-  return token_ == other.token_ && IsValid();
-}
-
-bool TaskToken::operator!=(const TaskToken& other) const {
-  return !(*this == other);
-}
-
-bool TaskToken::IsValid() const {
-  return token_ != kInvalidTaskToken;
-}
-
-TaskToken TaskToken::Create() {
-  return TaskToken(g_task_token_generator.GetNext());
-}
-
-TaskToken TaskToken::GetForCurrentThread() {
-  const TaskToken* current_task_token = tls_current_task_token.Get().Get();
-  return current_task_token ? *current_task_token : TaskToken();
-}
-
-ScopedSetSequenceTokenForCurrentThread::ScopedSetSequenceTokenForCurrentThread(
-    const SequenceToken& sequence_token)
-    : sequence_token_(sequence_token), task_token_(TaskToken::Create()) {
-  DCHECK(!tls_current_sequence_token.Get().Get());
-  DCHECK(!tls_current_task_token.Get().Get());
-  tls_current_sequence_token.Get().Set(&sequence_token_);
-  tls_current_task_token.Get().Set(&task_token_);
-}
-
-ScopedSetSequenceTokenForCurrentThread::
-    ~ScopedSetSequenceTokenForCurrentThread() {
-  DCHECK_EQ(tls_current_sequence_token.Get().Get(), &sequence_token_);
-  DCHECK_EQ(tls_current_task_token.Get().Get(), &task_token_);
-  tls_current_sequence_token.Get().Set(nullptr);
-  tls_current_task_token.Get().Set(nullptr);
-}
-
-}  // namespace base