Introduce gin_shell

gin/modules/module_runner_delegate.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 "gin/modules/module_runner_delegate.h"
+
+#include "gin/modules/module_registry.h"
+
+namespace gin {
+
+ModuleRunnerDelegate::ModuleRunnerDelegate(const base::FilePath& module_base)
+    : module_provider_(module_base) {
+}
+
+ModuleRunnerDelegate::~ModuleRunnerDelegate() {
+}
+
+v8::Handle<v8::ObjectTemplate> ModuleRunnerDelegate::GetGlobalTemplate(
+    Runner* runner) {
+  v8::Handle<v8::ObjectTemplate> templ = v8::ObjectTemplate::New();
+  ModuleRegistry::RegisterGlobals(runner->isolate(), templ);
+  return templ;
+}
+
+void ModuleRunnerDelegate::DidRunScript(Runner* runner,
+                                        v8::Handle<v8::Script> script) {
+  ModuleRegistry* registry = ModuleRegistry::From(runner->context());
+  registry->AttemptToLoadMoreModules(runner->isolate());
+  module_provider_.AttempToLoadModules(
+      runner, registry->unsatisfied_dependencies());
+}
+
+}  // namespace gin