From 51218360491343fa860024a5a8d830f111403256 Mon Sep 17 00:00:00 2001
From: Kyle Huey <khuey@kylehuey.com>
Date: Mon, 8 Aug 2011 08:34:57 -0400
Subject: [PATCH] Bug 676048: Followup to add more comments.

---
 layout/style/nsCSSRuleProcessor.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/layout/style/nsCSSRuleProcessor.cpp b/layout/style/nsCSSRuleProcessor.cpp
index e8eadfbe676..e05bf44f917 100644
--- a/layout/style/nsCSSRuleProcessor.cpp
+++ b/layout/style/nsCSSRuleProcessor.cpp
@@ -141,10 +141,14 @@ struct RuleValue : RuleSelectorPair {
 
 // Uses any of the sets of ops below.
 struct RuleHashTableEntry : public PLDHashEntryHdr {
+  // If you add members that have heap allocated memory be sure to change the
+  // logic in RuleHashTableSizeOfEnumerator.
   nsTArray<RuleValue> mRules;
 };
 
 struct RuleHashTagTableEntry : public RuleHashTableEntry {
+  // If you add members that have heap allocated memory be sure to change the
+  // logic in RuleHash::SizeOf.
   nsCOMPtr<nsIAtom> mTag;
 };