Bug 1227030 - Change log module to LazyLogModule with a more self-explantory name. r=seanlin

--HG--
extra : rebase_source : e92438ada9700f112fb4074b9089f3b459781ae8

dom/presentation/PresentationSessionInfo.cpp

@@ -38,14 +38,11 @@ using namespace mozilla;
 using namespace mozilla::dom;
 using namespace mozilla::services;
 
-inline static PRLogModuleInfo*
-GetPresentationSessionInfoLog()
-{
-  static PRLogModuleInfo* log = PR_NewLogModule("PresentationSessionInfo");
-  return log;
-}
+
+static LazyLogModule gPresentationSessionInfoLog("PresentationSessionInfo");
+
 #undef LOG
-#define LOG(...) MOZ_LOG(GetPresentationSessionInfoLog(), mozilla::LogLevel::Error, (__VA_ARGS__))
+#define LOG(...) MOZ_LOG(gPresentationSessionInfoLog, mozilla::LogLevel::Error, (__VA_ARGS__))
 
 
 /*