[Extensions Bindings] Avoid passing the event filter to JS

extensions/renderer/resources/event.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // TODO(robwu): Fix indentation.
 
   var exceptionHandler = require('uncaught_exception_handler');
   var eventNatives = requireNative('event_natives');
   var logging = requireNative('logging');
   var schemaRegistry = requireNative('schema_registry');
@@ skipping 208 matching lines @@
   // dispatchEvent(), and dispatch is a function(args) that dispatches args to
   // its listeners.
   function registerArgumentMassager(name, callback) {
     if (eventArgumentMassagers[name])
       throw new Error("Massager already registered for event: " + name);
     eventArgumentMassagers[name] = callback;
   }
 
   // Dispatches a named event with the given argument array. The args array is
   // the list of arguments that will be sent to the event callback.
-  function dispatchEvent(name, args, filteringInfo) {
-    var listenerIDs = [];
-
-    if (filteringInfo)
-      listenerIDs = eventNatives.MatchAgainstEventFilter(name, filteringInfo);
-
+  // |listenerIds| contains the ids of matching listeners, or is an empty array
+  // for all listeners.
+  function dispatchEvent(name, args, listenerIds) {
     var event = attachedNamedEvents[name];
     if (!event)
       return;
 
     var dispatchArgs = function(args) {
-      var result = event.dispatch_(args, listenerIDs);
+      var result = event.dispatch_(args, listenerIds);
       if (result)
         logging.DCHECK(!result.validationErrors, result.validationErrors);
       return result;
     };
 
     if (eventArgumentMassagers[name])
       eventArgumentMassagers[name](args, dispatchArgs);
     else
       dispatchArgs(args);
   }
@@ skipping 255 matching lines @@
       'getRules',
     ],
   });
 
   // NOTE: Event is (lazily) exposed as chrome.Event from dispatcher.cc.
   exports.$set('Event', Event);
 
   exports.$set('dispatchEvent', dispatchEvent);
   exports.$set('parseEventOptions', parseEventOptions);
   exports.$set('registerArgumentMassager', registerArgumentMassager);