[Extensions Bindings] Add a registerEventArgumentMassager

extensions/renderer/native_extension_bindings_system.cc

Index: extensions/renderer/native_extension_bindings_system.cc
diff --git a/extensions/renderer/native_extension_bindings_system.cc b/extensions/renderer/native_extension_bindings_system.cc
index b8aa63d576d726e32b98f55496033969d85bd00c..1617058b7c399b02134db428f9df3c4df3521f13 100644
--- a/extensions/renderer/native_extension_bindings_system.cc
+++ b/extensions/renderer/native_extension_bindings_system.cc
@@ -187,7 +187,8 @@ v8::Local<v8::Object> CreateRootBinding(
   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)));