[Extensions Bindings] Add a registerEventArgumentMassager

extensions/renderer/native_extension_bindings_system.cc

 // Copyright 2016 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 "extensions/renderer/native_extension_bindings_system.h"
 
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
 #include "content/public/common/content_switches.h"
 #include "extensions/common/constants.h"
@@ skipping 169 matching lines @@
     APIBindingsSystem* bindings_system,
     v8::Local<v8::Function> get_internal_api) {
   APIBindingHooks* hooks = nullptr;
   v8::Local<v8::Object> binding_object = bindings_system->CreateAPIInstance(
       name, context, context->GetIsolate(),
       base::Bind(&IsAPIMethodAvailable, script_context), &hooks);
 
   gin::Handle<APIBindingBridge> bridge_handle = gin::CreateHandle(
       context->GetIsolate(),
       new APIBindingBridge(bindings_system->type_reference_map(),
-                           bindings_system->request_handler(), hooks, context,
+                           bindings_system->request_handler(),
+                           bindings_system->event_handler(), hooks, context,
                            binding_object, script_context->GetExtensionID(),
                            script_context->GetContextTypeDescription(),
                            base::Bind(&CallJsFunction)));
   v8::Local<v8::Value> native_api_bridge = bridge_handle.ToV8();
   script_context->module_system()->OnNativeBindingCreated(
       name, native_api_bridge, get_internal_api);
 
   return binding_object;
 }
 
@@ skipping 428 matching lines @@
 
 void NativeExtensionBindingsSystem::OnEventListenerChanged(
     const std::string& event_name,
     binding::EventListenersChanged change,
     v8::Local<v8::Context> context) {
   send_event_listener_ipc_.Run(
       change, ScriptContextSet::GetContextByV8Context(context), event_name);
 }
 
 }  // namespace extensions