Change mojo JS bindings to expose a handle object, which is Closed when garbage

gin/test/gc.cc

-// Copyright 2013 The Chromium Authors. All rights reserved.
+// Copyright 2014 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/console.h"
+#include "gin/test/gc.h"
 
-#include <iostream>
-
-#include "base/strings/string_util.h"
+#include "base/bind.h"
+#include "base/logging.h"
 #include "gin/arguments.h"
 #include "gin/converter.h"
+#include "gin/function_template.h"
 #include "gin/object_template_builder.h"
 #include "gin/per_isolate_data.h"
 #include "gin/public/wrapper_info.h"
-
-using v8::ObjectTemplate;
+#include "gin/wrappable.h"
+#include "testing/gtest/include/gtest/gtest.h"
 
 namespace gin {
 
 namespace {
-
-void Log(Arguments* args) {
-  std::vector<std::string> messages;
-  if (!args->GetRemaining(&messages)) {
-    args->ThrowError();
-    return;
-  }
-  std::cout << JoinString(messages, ' ') << std::endl;
-}
-
 WrapperInfo g_wrapper_info = { kEmbedderNativeGin };
-
 }  // namespace
 
-const char Console::kModuleName[] = "console";
+const char GC::kModuleName[] = "gc";
 
-v8::Local<v8::Value> Console::GetModule(v8::Isolate* isolate) {
+v8::Local<v8::Value> GC::GetModule(v8::Isolate* isolate) {
   PerIsolateData* data = PerIsolateData::From(isolate);
-  v8::Local<ObjectTemplate> templ = data->GetObjectTemplate(&g_wrapper_info);
+  v8::Local<v8::ObjectTemplate> templ =
+      data->GetObjectTemplate(&g_wrapper_info);
   if (templ.IsEmpty()) {
     templ = ObjectTemplateBuilder(isolate)
-        .SetMethod("log", Log)
+        .SetMethod("collectGarbage", v8::V8::LowMemoryNotification)
         .Build();
     data->SetObjectTemplate(&g_wrapper_info, templ);
   }
   return templ->NewInstance();
 }
 
 }  // namespace gin