Add a simple one shot and repeating timer API for Mojo.js.

mojo/apps/js/bindings/threading.cc

 // Copyright 2013 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 "mojo/apps/js/bindings/threading.h"
 
 #include "base/message_loop/message_loop.h"
 #include "gin/object_template_builder.h"
 #include "gin/per_isolate_data.h"
 #include "mojo/apps/js/bindings/handle.h"
 
 namespace mojo {
 namespace apps {
 
 namespace {
 
 void Quit() {
   base::MessageLoop::current()->QuitNow();
 }
 
 gin::WrapperInfo g_wrapper_info = { gin::kEmbedderNativeGin };
 
 }  // namespace
 
 const char Threading::kModuleName[] = "mojo/apps/js/bindings/threading";
 
-v8::Local<v8::ObjectTemplate> Threading::GetTemplate(v8::Isolate* isolate) {
+v8::Local<v8::Value> Threading::GetModule(v8::Isolate* isolate) {
   gin::PerIsolateData* data = gin::PerIsolateData::From(isolate);
   v8::Local<v8::ObjectTemplate> templ = data->GetObjectTemplate(
       &g_wrapper_info);
 
   if (templ.IsEmpty()) {
     templ = gin::ObjectTemplateBuilder(isolate)
         .SetMethod("quit", Quit)
         .Build();
 
     data->SetObjectTemplate(&g_wrapper_info, templ);
   }
 
-  return templ;
+  return templ->NewInstance();
 }
 
 Threading::Threading() {
 }
 
 }  // namespace apps
 }  // namespace mojo