Implement Mojo message codec in JavaScript

mojo/public/bindings/js/test/run_js_tests.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 "base/file_util.h"
 #include "base/path_service.h"
 #include "gin/modules/module_registry.h"
 #include "gin/test/file_runner.h"
 #include "gin/test/gtest.h"
-#include "mojo/public/bindings/js/runner_delegate.h"
+#include "mojo/public/bindings/js/core.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace js {
 namespace {
 
-class TestRunnerDelegate : public RunnerDelegate {
-  virtual void DidCreateContext(gin::Runner* runner) MOJO_OVERRIDE {
-    RunnerDelegate::DidCreateContext(runner);
+class TestRunnerDelegate : public gin::FileRunnerDelegate {
+ public:
+  TestRunnerDelegate() {
+    AddBuiltinModule(Core::kModuleName, Core::GetTemplate);
+  }
 
-    v8::Handle<v8::Context> context = runner->context();
-    gin::ModuleRegistry* registry =
-        gin::ModuleRegistry::From(context);
-
-    registry->AddBuiltinModule(runner->isolate(), "gtest",
-                               gin::GetGTestTemplate(runner->isolate()));
-  }
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TestRunnerDelegate);
 };
 
 void RunTest(std::string test) {
   base::FilePath path;
   PathService::Get(base::DIR_SOURCE_ROOT, &path);
   path = path.AppendASCII("mojo")
              .AppendASCII("public")
              .AppendASCII("bindings")
              .AppendASCII("js")
              .AppendASCII(test);
   TestRunnerDelegate delegate;
   gin::RunTestFromFile(path, &delegate);
 }
 
 // TODO(abarth): Should we autogenerate these stubs from GYP?
 TEST(JSTest, core) {
   RunTest("core_unittests.js");
 }
 
+TEST(JSTest, codec) {
+  RunTest("codec_unittests.js");
+}
+
 }  // namespace
 }  // namespace js
 }  // namespace mojo