Move base to DEPS

base/task_runner_util.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_TASK_RUNNER_UTIL_H_
-#define BASE_TASK_RUNNER_UTIL_H_
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/callback_internal.h"
-#include "base/logging.h"
-#include "base/task_runner.h"
-
-namespace base {
-
-namespace internal {
-
-// Adapts a function that produces a result via a return value to
-// one that returns via an output parameter.
-template <typename ReturnType>
-void ReturnAsParamAdapter(const Callback<ReturnType(void)>& func,
-                          ReturnType* result) {
-  *result = func.Run();
-}
-
-// Adapts a T* result to a callblack that expects a T.
-template <typename TaskReturnType, typename ReplyArgType>
-void ReplyAdapter(const Callback<void(ReplyArgType)>& callback,
-                  TaskReturnType* result) {
-  // TODO(ajwong): Remove this conditional and add a DCHECK to enforce that
-  // |reply| must be non-null in PostTaskAndReplyWithResult() below after
-  // current code that relies on this API softness has been removed.
-  // http://crbug.com/162712
-  if (!callback.is_null())
-    callback.Run(CallbackForward(*result));
-}
-
-}  // namespace internal
-
-// When you have these methods
-//
-//   R DoWorkAndReturn();
-//   void Callback(const R& result);
-//
-// and want to call them in a PostTaskAndReply kind of fashion where the
-// result of DoWorkAndReturn is passed to the Callback, you can use
-// PostTaskAndReplyWithResult as in this example:
-//
-// PostTaskAndReplyWithResult(
-//     target_thread_.task_runner(),
-//     FROM_HERE,
-//     Bind(&DoWorkAndReturn),
-//     Bind(&Callback));
-template <typename TaskReturnType, typename ReplyArgType>
-bool PostTaskAndReplyWithResult(
-    TaskRunner* task_runner,
-    const tracked_objects::Location& from_here,
-    const Callback<TaskReturnType(void)>& task,
-    const Callback<void(ReplyArgType)>& reply) {
-  TaskReturnType* result = new TaskReturnType();
-  return task_runner->PostTaskAndReply(
-      from_here,
-      base::Bind(&internal::ReturnAsParamAdapter<TaskReturnType>, task,
-                 result),
-      base::Bind(&internal::ReplyAdapter<TaskReturnType, ReplyArgType>, reply,
-                 base::Owned(result)));
-}
-
-}  // namespace base
-
-#endif  // BASE_TASK_RUNNER_UTIL_H_