Allow updateArgumentsPostValidate to support callbacks and added / removed arguments.

chrome/renderer/extensions/event_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/test/base/module_system_test.h"
 
 #include "grit/renderer_resources.h"
 
 namespace {
 
 class EventUnittest : public ModuleSystemTest {
   virtual void SetUp() OVERRIDE {
     ModuleSystemTest::SetUp();
     module_system_->RunString("chrome = {};", "setup-chrome");
 
     RegisterModule("event", IDR_EVENT_BINDINGS_JS);
+    RegisterModule("schemaUtils", IDR_SCHEMA_UTILS_JS);
     RegisterModule("utils", IDR_UTILS_JS);
 
     // Mock out the native handler for event_bindings. These mocks will fail if
     // any invariants maintained by the real event_bindings are broken.
     OverrideNativeHandler("event_bindings",
         "var assert = requireNative('assert');"
         "var attachedListeners = exports.attachedListeners = {};"
         "exports.AttachEvent = function(eventName) {"
         "  assert.AssertFalse(!!attachedListeners[eventName]);"
         "  attachedListeners[eventName] = 1;"
@@ skipping 58 matching lines @@
       "var assert = requireNative('assert');"
       "var e = new event.Event('myevent');"
       "var called = false;"
       "e.addListener(function() { called = true; });"
       "chromeHidden.Event.dispatch('myevent', []);"
       "assert.AssertTrue(called);");
   module_system_->Require("test");
 }
 
 }  // namespace