1 files changed, 28 insertions, 0 deletions
diff --git a/components/docshell/src/timeline/MarkersStorage.cpp b/components/docshell/src/timeline/MarkersStorage.cpp
new file mode 100644
index 000000000..c5cd47ba2
--- /dev/null
+++ b/components/docshell/src/timeline/MarkersStorage.cpp
@@ -0,0 +1,28 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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