Adding upstream version 115.8.0esr.upstream/115.8.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/devtools/client/netmonitor/src/selectors/timing-markers.js b/devtools/client/netmonitor/src/selectors/timing-markers.js
new file mode 100644
index 0000000000..3855529904
--- /dev/null
+++ b/devtools/client/netmonitor/src/selectors/timing-markers.js
@@ -0,0 +1,18 @@
+/* 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/. */
+
+"use strict";
+
+function getDisplayedTimingMarker(state, marker) {
+  const value = state.timingMarkers[marker];
+  if (value == -1) {
+    return value;
+  }
+
+  return value - state.timingMarkers.firstDocumentRequestStartTimestamp;
+}
+
+module.exports = {
+  getDisplayedTimingMarker,
+};