Move PostTaskAndReplyWithResult() adapters to a separate header.

base/task/cancelable_task_tracker.h

 // Copyright 2014 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.
 
 // CancelableTaskTracker posts tasks (in the form of a Closure) to a
 // TaskRunner, and is able to cancel the task later if it's not needed
 // anymore.  On destruction, CancelableTaskTracker will cancel all
 // tracked tasks.
 //
 // Each cancelable task can be associated with a reply (also a Closure). After
@@ skipping 21 matching lines @@
 // 2. Both task and reply are deleted on the originating thread.
 //
 // 3. IsCanceledCallback is thread safe and can be run or deleted on any
 // thread.
 #ifndef BASE_TASK_CANCELABLE_TASK_TRACKER_H_
 #define BASE_TASK_CANCELABLE_TASK_TRACKER_H_
 
 #include <stdint.h>
 
 #include "base/base_export.h"
+#include "base/bind.h"
 #include "base/callback.h"
 #include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
-#include "base/task_runner_util.h"
+#include "base/post_task_and_reply_with_result_internal.h"
 #include "base/threading/thread_checker.h"
 
 namespace tracked_objects {
 class Location;
 }  // namespace tracked_objects
 
 namespace base {
 
 class CancellationFlag;
 class TaskRunner;
@@ skipping 76 matching lines @@
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<CancelableTaskTracker> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CancelableTaskTracker);
 };
 
 }  // namespace base
 
 #endif  // BASE_TASK_CANCELABLE_TASK_TRACKER_H_