Bug 431986: ApplicationCache doesn't implement EventTarget, patch by dcamp@mozilla.com, r+sr=jst, a=schrep

dom/src/base/nsDOMClassInfo.cpp

@@ -3313,6 +3313,7 @@ nsDOMClassInfo::Init()
 
   DOM_CLASSINFO_MAP_BEGIN(OfflineResourceList, nsIDOMOfflineResourceList)
     DOM_CLASSINFO_MAP_ENTRY(nsIDOMOfflineResourceList)
+    DOM_CLASSINFO_MAP_ENTRY(nsIDOMEventTarget)
   DOM_CLASSINFO_MAP_END
 
   DOM_CLASSINFO_MAP_BEGIN(LoadStatusList, nsIDOMLoadStatusList)

dom/tests/mochitest/ajax/offline/test_simpleManifest.html

@@ -97,12 +97,15 @@ function manifestUpdated()
 
 
 if (OfflineTest.setup()) {
+  OfflineTest.ok(applicationCache instanceof EventTarget,
+                 "applicationCache should be an event target");
+
   applicationCache.onerror = OfflineTest.failEvent;
 
-  applicationCache.onchecking = function() {
+  applicationCache.addEventListener("checking", function() {
     OfflineTest.is(applicationCache.status, 2, "CHECKING state while checking");
     gGotChecking = true;
-  };
+    }, true);
   applicationCache.ondownloading = function() {
     OfflineTest.is(applicationCache.status, 3, "DOWNLOADING state while checking")
     gGotDownloading = true; };