Bug 1254888 - Part 1: Add logging macro to dom/presentation. r=schien

dom/presentation/PresentationLog.h

@@ -0,0 +1,22 @@
+/* -*- 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
+
+/*
+ * NSPR_LOG_MODULES=Presentation:5
+ * For detail, see PresentationService.cpp
+ */
+namespace mozilla {
+namespace dom {
+extern mozilla::LazyLogModule gPresentationLog;
+}
+}
+#undef PRES_DEBUG
+#define PRES_DEBUG(...) MOZ_LOG(mozilla::dom::gPresentationLog, mozilla::LogLevel::Debug, (__VA_ARGS__))
+
+#endif // mozilla_dom_PresentationLog_h

dom/presentation/PresentationService.cpp

@@ -18,6 +18,7 @@
 #include "nsServiceManagerUtils.h"
 #include "nsThreadUtils.h"
 #include "nsXULAppAPI.h"
+#include "PresentationLog.h"
 #include "PresentationService.h"
 
 using namespace mozilla;
@@ -48,6 +49,8 @@ private:
   nsString mOrigin;
 };
 
+LazyLogModule gPresentationLog("Presentation");
+
 } // namespace dom
 } // namespace mozilla