new file mode 100644
--- /dev/null
+++ b/dom/media/gmp/GMPLog.h
@@ -0,0 +1,19 @@
+/* -*- Mode: C++; tab-width: 2; 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/. */
+
+#ifndef GMP_LOG_h_
+#define GMP_LOG_h_
+
+#include "mozilla/Logging.h"
+
+namespace mozilla {
+
+extern LogModule* GetGMPLog();
+
+#define GMP_LOG(msg, ...) MOZ_LOG(GetGMPLog(), LogLevel::Debug, (msg, ##__VA_ARGS__))
+
+} // namespace mozilla
+
+#endif // GMP_LOG_h_