Bug 1167663 - Mark nsCSSKeyframeStyleDeclaration/nsCSSPageStyleDeclaration::mRule as MOZ_NON_OWNING_REF. r=dbaron

--HG--
extra : rebase_source : 621a2d04d82fd50bf5dfa35bb2266f7462d4d6e1

layout/style/nsCSSRules.h

@@ -379,7 +379,7 @@ protected:
 
   // This reference is not reference-counted. The rule object tells us
   // when it's about to go away.
-  nsCSSKeyframeRule *mRule;
+  nsCSSKeyframeRule* MOZ_NON_OWNING_REF mRule;
 };
 
 class nsCSSKeyframeRule final : public mozilla::css::Rule,
@@ -512,7 +512,7 @@ protected:
 
   // This reference is not reference-counted. The rule object tells us
   // when it's about to go away.
-  nsCSSPageRule *mRule;
+  nsCSSPageRule* MOZ_NON_OWNING_REF mRule;
 };
 
 class nsCSSPageRule final : public mozilla::css::Rule,