1 files changed, 46 insertions, 0 deletions
diff --git a/docshell/base/timeline/MessagePortTimelineMarker.h b/docshell/base/timeline/MessagePortTimelineMarker.h
new file mode 100644
index 0000000000..c6d91fa7eb
--- /dev/null
+++ b/docshell/base/timeline/MessagePortTimelineMarker.h
@@ -0,0 +1,46 @@
+/* -*- 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_MessagePortTimelineMarker_h_
+#define mozilla_MessagePortTimelineMarker_h_
+
+#include "TimelineMarker.h"
+#include "mozilla/dom/ProfileTimelineMarkerBinding.h"
+
+namespace mozilla {
+
+class MessagePortTimelineMarker : public TimelineMarker {
+ public:
+  MessagePortTimelineMarker(
+      dom::ProfileTimelineMessagePortOperationType aOperationType,
+      MarkerTracingType aTracingType)
+      : TimelineMarker("MessagePort", aTracingType,
+                       MarkerStackRequest::NO_STACK),
+        mOperationType(aOperationType) {}
+
+  virtual UniquePtr<AbstractTimelineMarker> Clone() override {
+    MessagePortTimelineMarker* clone =
+        new MessagePortTimelineMarker(mOperationType, GetTracingType());
+    clone->SetCustomTime(GetTime());
+    return UniquePtr<AbstractTimelineMarker>(clone);
+  }
+
+  virtual void AddDetails(JSContext* aCx,
+                          dom::ProfileTimelineMarker& aMarker) override {
+    TimelineMarker::AddDetails(aCx, aMarker);
+
+    if (GetTracingType() == MarkerTracingType::START) {
+      aMarker.mMessagePortOperation.Construct(mOperationType);
+    }
+  }
+
+ private:
+  dom::ProfileTimelineMessagePortOperationType mOperationType;
+};
+
+}  // namespace mozilla
+
+#endif /* mozilla_MessagePortTimelineMarker_h_ */