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

gin/test/file_runner.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/test/file_runner.h"
 
 #include "base/file_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "gin/converter.h"
 #include "gin/modules/console.h"
 #include "gin/modules/module_registry.h"
 #include "gin/public/context_holder.h"
 #include "gin/public/isolate_holder.h"
+#include "gin/test/gc.h"
 #include "gin/test/gtest.h"
 #include "gin/try_catch.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace gin {
 
 namespace {
 
 std::vector<base::FilePath> GetModuleSearchPaths() {
   std::vector<base::FilePath> search_paths(2);
   PathService::Get(base::DIR_SOURCE_ROOT, &search_paths[0]);
   PathService::Get(base::DIR_EXE, &search_paths[1]);
   search_paths[1] = search_paths[1].AppendASCII("gen");
   return search_paths;
 }
 
 }  // namespace
 
 FileRunnerDelegate::FileRunnerDelegate()
     : ModuleRunnerDelegate(GetModuleSearchPaths()) {
   AddBuiltinModule(Console::kModuleName, Console::GetModule);
   AddBuiltinModule(GTest::kModuleName, GTest::GetModule);
+  AddBuiltinModule(GC::kModuleName, GC::GetModule);
 }
 
 FileRunnerDelegate::~FileRunnerDelegate() {
 }
 
 void FileRunnerDelegate::UnhandledException(ShellRunner* runner,
                                             TryCatch& try_catch) {
   ModuleRunnerDelegate::UnhandledException(runner, try_catch);
   FAIL() << try_catch.GetStackTrace();
 }
@@ skipping 19 matching lines @@
       message_loop.Run();
     }
 
     v8::Handle<v8::Value> result = runner.global()->Get(
         StringToSymbol(runner.GetContextHolder()->isolate(), "result"));
     EXPECT_EQ("PASS", V8ToString(result));
   }
 }
 
 }  // namespace gin