Begin implementing V8 bindings for Mojo

mojo/public/bindings/js/v8_per_isolate_data.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/v8_per_isolate_data.h"
+
+#include "mojo/public/bindings/js/v8_core.h"
+
+namespace mojo {
+namespace js {
+
+V8PerIsolateData::V8PerIsolateData(v8::Isolate* isolate)
+    : isolate_(isolate),
+      handle_template_(isolate, Wrapper<mojo::Handle>::CreateTemplate()) {
+  isolate_->SetData(this);
+}
+
+V8PerIsolateData::~V8PerIsolateData() {
+}
+
+V8PerIsolateData* From(v8::Isolate* isolate) {
+  return static_cast<V8PerIsolateData*>(isolate->GetData());
+}
+
+}  // namespace js
+}  // mojo