Move base/thread_task_runner_handle.h to base/threading/thread_task_runner_handle.h

base/thread_task_runner_handle.h

 // Copyright (c) 2012 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.
 
 #ifndef BASE_THREAD_TASK_RUNNER_HANDLE_H_
 #define BASE_THREAD_TASK_RUNNER_HANDLE_H_
 
-#include "base/base_export.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-
-namespace base {
-
-class SingleThreadTaskRunner;
-
-// ThreadTaskRunnerHandle stores a reference to a thread's TaskRunner
-// in thread-local storage.  Callers can then retrieve the TaskRunner
-// for the current thread by calling ThreadTaskRunnerHandle::Get().
-// At most one TaskRunner may be bound to each thread at a time.
-// Prefer SequenceTaskRunnerHandle to this unless thread affinity is required.
-class BASE_EXPORT ThreadTaskRunnerHandle {
- public:
-  // Gets the SingleThreadTaskRunner for the current thread.
-  static scoped_refptr<SingleThreadTaskRunner> Get();
-
-  // Returns true if the SingleThreadTaskRunner is already created for
-  // the current thread.
-  static bool IsSet();
-
-  // Binds |task_runner| to the current thread. |task_runner| must belong
-  // to the current thread for this to succeed.
-  explicit ThreadTaskRunnerHandle(
-      scoped_refptr<SingleThreadTaskRunner> task_runner);
-  ~ThreadTaskRunnerHandle();
-
- private:
-  scoped_refptr<SingleThreadTaskRunner> task_runner_;
-
-  DISALLOW_COPY_AND_ASSIGN(ThreadTaskRunnerHandle);
-};
-
-}  // namespace base
+// This header has moved, include the new one directly instead of this one.
+#include "base/threading/thread_task_runner_handle.h"
 
 #endif  // BASE_THREAD_TASK_RUNNER_HANDLE_H_