[ES6 modules] Introduce ScriptModule::moduleRequests to access record.[[RequestedModules]]

third_party/WebKit/Source/bindings/core/v8/ScriptModuleTest.cpp

 // Copyright 2017 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 "bindings/core/v8/ScriptModule.h"
 
 #include "bindings/core/v8/V8BindingForTesting.h"
+#include "testing/gmock/include/gmock/gmock-matchers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "v8/include/v8.h"
 
 namespace blink {
 
 namespace {
 
 TEST(ScriptModuleTest, compileSuccess) {
   V8TestingScope scope;
   ScriptModule module =
       ScriptModule::compile(scope.isolate(), "export const a = 42;", "foo.js");
   ASSERT_FALSE(module.isNull());
 }
 
 TEST(ScriptModuleTest, compileFail) {
   V8TestingScope scope;
   ScriptModule module =
       ScriptModule::compile(scope.isolate(), "123 = 456", "foo.js");
   ASSERT_TRUE(module.isNull());
 }
 
+TEST(ScriptModuleTest, moduleRequests) {
+  V8TestingScope scope;
+  ScriptModule module = ScriptModule::compile(
+      scope.isolate(), "import 'a'; import 'b'; export const c = 'c';",
+      "foo.js");
+  ASSERT_FALSE(module.isNull());
+
+  auto requests = module.moduleRequests(scope.getScriptState());
+  EXPECT_THAT(requests, ::testing::ContainerEq<Vector<String>>({"a", "b"}));
+}
+
 }  // namespace
 
 }  // namespace blink