1 files changed, 31 insertions, 0 deletions
diff --git a/dom/base/TimeoutBudgetManager.h b/dom/base/TimeoutBudgetManager.h
new file mode 100644
index 0000000000..2287537c24
--- /dev/null
+++ b/dom/base/TimeoutBudgetManager.h
@@ -0,0 +1,31 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_timeoutbudgetmanager_h
+#define mozilla_dom_timeoutbudgetmanager_h
+
+#include "mozilla/TimeStamp.h"
+
+namespace mozilla::dom {
+
+class Timeout;
+
+class TimeoutBudgetManager {
+ public:
+  static TimeoutBudgetManager& Get();
+  void StartRecording(const TimeStamp& aNow);
+  void StopRecording();
+  TimeDuration RecordExecution(const TimeStamp& aNow, const Timeout* aTimeout);
+
+ private:
+  TimeoutBudgetManager() = default;
+
+  TimeStamp mStart;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_timeoutbudgetmanager_h