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

mojo/apps/js/bindings/support.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/support.h"
 
 #include "base/bind.h"
 #include "gin/arguments.h"
 #include "gin/converter.h"
 #include "gin/function_template.h"
@@ skipping 30 matching lines @@
   BindingsSupport::Get()->CancelWait(waiting_callback->wait_id());
   waiting_callback->set_wait_id(NULL);
 }
 
 gin::WrapperInfo g_wrapper_info = { gin::kEmbedderNativeGin };
 
 }  // namespace
 
 const char Support::kModuleName[] = "mojo/apps/js/bindings/support";
 
-v8::Local<v8::ObjectTemplate> Support::GetTemplate(v8::Isolate* isolate) {
+v8::Local<v8::Value> Support::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("asyncWait", AsyncWait)
                 .SetMethod("cancelWait", CancelWait)
                 .Build();
 
     data->SetObjectTemplate(&g_wrapper_info, templ);
   }
 
-  return templ;
+  return templ->NewInstance();
 }
 
 }  // namespace js
 }  // namespace mojo