1 files changed, 33 insertions, 0 deletions
diff --git a/dom/presentation/PresentationLog.h b/dom/presentation/PresentationLog.h
new file mode 100644
index 0000000000..36e1f19948
--- /dev/null
+++ b/dom/presentation/PresentationLog.h
@@ -0,0 +1,33 @@
+/* -*- 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_dom_PresentationLog_h
+#define mozilla_dom_PresentationLog_h
+
+/*
+ * MOZ_LOG=Presentation:5
+ * For detail, see PresentationService.cpp
+ */
+namespace mozilla {
+
+class LazyLogModule;
+
+namespace dom {
+extern mozilla::LazyLogModule gPresentationLog;
+}
+}  // namespace mozilla
+
+#undef PRES_ERROR
+#define PRES_ERROR(...)                                             \
+  MOZ_LOG(mozilla::dom::gPresentationLog, mozilla::LogLevel::Error, \
+          (__VA_ARGS__))
+
+#undef PRES_DEBUG
+#define PRES_DEBUG(...)                                             \
+  MOZ_LOG(mozilla::dom::gPresentationLog, mozilla::LogLevel::Debug, \
+          (__VA_ARGS__))
+
+#endif  // mozilla_dom_PresentationLog_h