Implement Mojo message codec in JavaScript

mojo/public/bindings/js/global.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/public/bindings/js/global.h"
-
-#include "gin/modules/module_registry.h"
-#include "gin/per_isolate_data.h"
-#include "gin/wrapper_info.h"
-
-namespace mojo {
-namespace js {
-
-namespace {
-
-gin::WrapperInfo g_wrapper_info = {};
-
-}
-
-v8::Local<v8::ObjectTemplate> GetGlobalTemplate(v8::Isolate* isolate) {
-  gin::PerIsolateData* data = gin::PerIsolateData::From(isolate);
-  v8::Local<v8::ObjectTemplate> templ = data->GetObjectTemplate(
-      &g_wrapper_info);
-  if (templ.IsEmpty()) {
-    templ = v8::ObjectTemplate::New();
-    gin::ModuleRegistry::RegisterGlobals(isolate, templ);
-    data->SetObjectTemplate(&g_wrapper_info, templ);
-  }
-  return templ;
-}
-
-}  // namespace js
-}  // namespace mojo