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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_CALLBACK_HELPER_H_ | 5 #ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_CALLBACK_HELPER_H_ |
6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_CALLBACK_HELPER_H_ | 6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_CALLBACK_HELPER_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <type_traits> | 9 #include <type_traits> |
10 | 10 |
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82 } | 82 } |
83 }; | 83 }; |
84 | 84 |
85 } // namespace internal | 85 } // namespace internal |
86 | 86 |
87 template <typename T> | 87 template <typename T> |
88 base::Callback<T> RelayCallbackToTaskRunner( | 88 base::Callback<T> RelayCallbackToTaskRunner( |
89 const scoped_refptr<base::SequencedTaskRunner>& task_runner, | 89 const scoped_refptr<base::SequencedTaskRunner>& task_runner, |
90 const tracked_objects::Location& from_here, | 90 const tracked_objects::Location& from_here, |
91 const base::Callback<T>& callback) { | 91 const base::Callback<T>& callback) { |
92 DCHECK(task_runner->RunsTasksOnCurrentThread()); | 92 DCHECK(task_runner->RunsTasksInCurrentSequence()); |
93 | 93 |
94 if (callback.is_null()) | 94 if (callback.is_null()) |
95 return base::Callback<T>(); | 95 return base::Callback<T>(); |
96 | 96 |
97 return base::Bind(&internal::RelayToTaskRunnerHelper<T>::Run, | 97 return base::Bind(&internal::RelayToTaskRunnerHelper<T>::Run, |
98 base::Owned(new internal::CallbackHolder<T>( | 98 base::Owned(new internal::CallbackHolder<T>( |
99 task_runner, from_here, callback))); | 99 task_runner, from_here, callback))); |
100 } | 100 } |
101 | 101 |
102 template <typename T> | 102 template <typename T> |
103 base::Callback<T> RelayCallbackToCurrentThread( | 103 base::Callback<T> RelayCallbackToCurrentThread( |
104 const tracked_objects::Location& from_here, | 104 const tracked_objects::Location& from_here, |
105 const base::Callback<T>& callback) { | 105 const base::Callback<T>& callback) { |
106 return RelayCallbackToTaskRunner( | 106 return RelayCallbackToTaskRunner( |
107 base::ThreadTaskRunnerHandle::Get(), | 107 base::ThreadTaskRunnerHandle::Get(), |
108 from_here, callback); | 108 from_here, callback); |
109 } | 109 } |
110 | 110 |
111 } // namespace drive_backend | 111 } // namespace drive_backend |
112 } // namespace sync_file_system | 112 } // namespace sync_file_system |
113 | 113 |
114 #endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_CALLBACK_HELPER_H_ | 114 #endif // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_CALLBACK_HELPER_H_ |
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