Bug 1281223 - Debug instrumentation for catching accidental destruction of the ContentChild instance. r=billm

MozReview-Commit-ID: 5LozIBYXLeO

--HG--
extra : rebase_source : 1ddb8af09653225a164acb3b8e7dc4700d74a915

dom/ipc/ContentChild.cpp

@@ -579,6 +579,9 @@ ContentChild::ContentChild()
 
 ContentChild::~ContentChild()
 {
+#ifndef NS_FREE_PERMANENT_DATA
+  NS_RUNTIMEABORT("Content Child shouldn't be destroyed.");
+#endif
 }
 
 NS_INTERFACE_MAP_BEGIN(ContentChild)