From 502f40071b82e6297a977105672b6bd2788fa8c1 Mon Sep 17 00:00:00 2001
From: Cameron McCormack <cam@mcc.id.au>
Date: Thu, 22 Oct 2015 19:22:38 +1100
Subject: [PATCH] Bug 1208951 - Part 6: Add method to compare nsCSSPropertySets
 for equality. r=birtles

---
 layout/style/nsCSSPropertySet.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/layout/style/nsCSSPropertySet.h b/layout/style/nsCSSPropertySet.h
index 6416df61e3bf..06ce4e2c5c90 100644
--- a/layout/style/nsCSSPropertySet.h
+++ b/layout/style/nsCSSPropertySet.h
@@ -8,6 +8,7 @@
 #define nsCSSPropertySet_h__
 
 #include "mozilla/ArrayUtils.h"
+#include "mozilla/PodOperations.h"
 
 #include "nsCSSProperty.h"
 #include <limits.h> // for CHAR_BIT
@@ -62,6 +63,10 @@ public:
         }
     }
 
+    bool Equals(const nsCSSPropertySet& aOther) const {
+      return mozilla::PodEqual(mProperties, aOther.mProperties);
+    }
+
 private:
     typedef unsigned long property_set_type;
 public: