Introduce webrtc::TaskQueue and TaskQueueFactory interfaces
Bug: webrtc:10191
Change-Id: Ia2fff34cb260d904f25f7263051695f1c004a53b
Reviewed-on: https://webrtc-review.googlesource.com/c/117360
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26295}diff --git a/api/task_queue/task_queue_priority.h b/api/task_queue/task_queue_priority.h
new file mode 100644
index 0000000..a8696ec
--- /dev/null
+++ b/api/task_queue/task_queue_priority.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2019 The WebRTC Project Authors. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+#ifndef API_TASK_QUEUE_TASK_QUEUE_PRIORITY_H_
+#define API_TASK_QUEUE_TASK_QUEUE_PRIORITY_H_
+
+namespace webrtc {
+
+// TODO(bugs.webrtc.org/10191): Move as member class of TaskQueueFactory when
+// rtc::TaskQueue would be able to depende on it.
+enum class TaskQueuePriority { NORMAL = 0, HIGH, LOW };
+
+} // namespace webrtc
+
+#endif // API_TASK_QUEUE_TASK_QUEUE_PRIORITY_H_