Bug 1172784 (part 1) - Remove unused argument from UnmarkGrayJSListenersInCCGenerationDocuments(). r=mccr8.

This is possible because ListenerEnumerator() doesn't do anything with the
|aArg| argument.

--HG--
extra : rebase_source : f0f489c3adfc21e249fe7ece2b7dbdbaafae406e

dom/base/nsCCUncollectableMarker.cpp

@@ -432,7 +432,7 @@ nsCCUncollectableMarker::Observe(nsISupports* aSubject, const char* aTopic,
 
   switch(sFSState) {
     case eUnmarkJSEventListeners: {
-      nsContentUtils::UnmarkGrayJSListenersInCCGenerationDocuments(sGeneration);
+      nsContentUtils::UnmarkGrayJSListenersInCCGenerationDocuments();
       break;
     }
     case eUnmarkMessageManagers: {

dom/base/nsContentUtils.cpp

@@ -4002,11 +4002,11 @@ ListenerEnumerator(PLDHashTable* aTable, PLDHashEntryHdr* aEntry,
 }
 
 void
-nsContentUtils::UnmarkGrayJSListenersInCCGenerationDocuments(uint32_t aGeneration)
+nsContentUtils::UnmarkGrayJSListenersInCCGenerationDocuments()
 {
   if (sEventListenerManagersHash) {
     PL_DHashTableEnumerate(sEventListenerManagersHash, ListenerEnumerator,
-                           &aGeneration);
+                           nullptr);
   }
 }
 

dom/base/nsContentUtils.h

@@ -1124,7 +1124,7 @@ public:
   static mozilla::EventListenerManager*
     GetExistingListenerManagerForNode(const nsINode* aNode);
 
-  static void UnmarkGrayJSListenersInCCGenerationDocuments(uint32_t aGeneration);
+  static void UnmarkGrayJSListenersInCCGenerationDocuments();
 
   /**
    * Remove the eventlistener manager for aNode.