From c57de1878164f8b41239215ff15483d09be716e1 Mon Sep 17 00:00:00 2001
From: Botond Ballo <botond@mozilla.com>
Date: Mon, 16 Jan 2017 16:55:58 -0500
Subject: [PATCH] Bug 1331495 - Add an operator<< overload for TimeDuration.
 r=froydnj

MozReview-Commit-ID: dYKdlKI8Le

--HG--
extra : rebase_source : a56ed17f1c505ca50e3a9bb9ad0e34a1060ef1ac
---
 mozglue/misc/TimeStamp.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/mozglue/misc/TimeStamp.h b/mozglue/misc/TimeStamp.h
index 9ff0c25c5c41..3d8ddcedcd3a 100644
--- a/mozglue/misc/TimeStamp.h
+++ b/mozglue/misc/TimeStamp.h
@@ -9,6 +9,7 @@
 
 #include <stdint.h>
 #include <algorithm>  // for std::min, std::max
+#include <ostream>
 #include "mozilla/Assertions.h"
 #include "mozilla/Attributes.h"
 #include "mozilla/FloatingPoint.h"
@@ -279,6 +280,11 @@ public:
     return mValue != 0;
   }
 
+  friend std::ostream& operator<<(std::ostream& aStream,
+                                  const BaseTimeDuration& aDuration) {
+    return aStream << aDuration.ToMilliseconds() << " ms";
+  }
+
   // Return a best guess at the system's current timing resolution,
   // which might be variable.  BaseTimeDurations below this order of
   // magnitude are meaningless, and those at the same order of