Add gin, a lightweight bindings system for V8

gin/test/v8_test.cc

Index: gin/test/v8_test.cc
diff --git a/gin/test/v8_test.cc b/gin/test/v8_test.cc
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+++ b/gin/test/v8_test.cc
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+// Copyright (c) 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 "gin/test/v8_test.h"
+
+using v8::Context;
+using v8::Local;
+using v8::HandleScope;
+using v8::Isolate;
+
+namespace gin {
+
+V8Test::V8Test() {
+}
+
+V8Test::~V8Test() {
+}
+
+void V8Test::SetUp() {
+  isolate_ = Isolate::GetCurrent();
+  HandleScope handle_scope(isolate_);
+  context_.Reset(isolate_, Context::New(isolate_));
+  Local<Context>::New(isolate_, context_)->Enter();
+}
+
+void V8Test::TearDown() {
+  HandleScope handle_scope(isolate_);
+  Local<Context>::New(isolate_, context_)->Exit();
+  context_.Reset();
+}
+
+}  // namespace gin