Add TimeController to api/test/ and add a CreateTimeController API.
Creates an abstraction for an "alarm clock" which can schedule
time-controller callbacks and exposes a time controller driven by
an external alarm.
Bug: webrtc:9719
Change-Id: I08c2aa9dba25603043bfba48f55c925716a55bae
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/158969
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Per Kjellander <perkj@webrtc.org>
Reviewed-by: Artem Titov <titovartem@webrtc.org>
Reviewed-by: Steve Anton <steveanton@webrtc.org>
Commit-Queue: Bjorn Mellem <mellem@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29879}
diff --git a/api/test/create_time_controller.h b/api/test/create_time_controller.h
new file mode 100644
index 0000000..9c5b19b
--- /dev/null
+++ b/api/test/create_time_controller.h
@@ -0,0 +1,24 @@
+/*
+ * 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_TEST_CREATE_TIME_CONTROLLER_H_
+#define API_TEST_CREATE_TIME_CONTROLLER_H_
+
+#include <memory>
+
+#include "api/test/time_controller.h"
+
+namespace webrtc {
+
+std::unique_ptr<TimeController> CreateTimeController(
+ ControlledAlarmClock* alarm);
+
+} // namespace webrtc
+
+#endif // API_TEST_CREATE_TIME_CONTROLLER_H_