1 files changed, 20 insertions, 0 deletions
diff --git a/docshell/base/timeline/MarkersStorage.cpp b/docshell/base/timeline/MarkersStorage.cpp
new file mode 100644
index 0000000000..4a84135f29
--- /dev/null
+++ b/docshell/base/timeline/MarkersStorage.cpp
@@ -0,0 +1,20 @@
+/* -*- 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/. */
+
+#include "MarkersStorage.h"
+#include "MainThreadUtils.h"
+
+namespace mozilla {
+
+MarkersStorage::MarkersStorage(const char* aMutexName) : mLock(aMutexName) {
+  MOZ_ASSERT(NS_IsMainThread());
+}
+
+MarkersStorage::~MarkersStorage() { MOZ_ASSERT(NS_IsMainThread()); }
+
+Mutex& MarkersStorage::GetLock() { return mLock; }
+
+}  // namespace mozilla