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

third_party/WebKit/Source/bindings/core/v8/ScriptModule.h

 // 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.
 
 #ifndef ScriptModule_h
 #define ScriptModule_h
 
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/SharedPersistent.h"
 #include "core/CoreExport.h"
 #include "v8/include/v8.h"
 #include "wtf/Allocator.h"
+#include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 // ScriptModule wraps a handle to a v8::Module for use in core.
 //
 // Using ScriptModules needs a ScriptState and its scope to operate in. You
 // should always provide the same ScriptState and not try to reuse ScriptModules
 // across different contexts.
 // Currently all ScriptModule users can easily access its context Modulator, so
 // we use it to fill ScriptState in.
 class CORE_EXPORT ScriptModule final {
   DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
 
  public:
   static ScriptModule compile(v8::Isolate*,
                               const String& source,
                               const String& fileName);
 
   ScriptModule() {}
   ScriptModule(const ScriptModule& module) : m_module(module.m_module) {}
   ~ScriptModule();
 
   // Returns exception, if any.
   ScriptValue instantiate(ScriptState*);
   void evaluate(ScriptState*);
 
+  Vector<String> moduleRequests(ScriptState*);
+
   bool isNull() const { return !m_module || m_module->isEmpty(); }
 
  private:
   ScriptModule(v8::Isolate*, v8::Local<v8::Module>);
 
   static v8::MaybeLocal<v8::Module> resolveModuleCallback(
       v8::Local<v8::Context>,
       v8::Local<v8::String> specifier,
       v8::Local<v8::Module> referrer);
 
   RefPtr<SharedPersistent<v8::Module>> m_module;
 };
 
 }  // namespace blink
 
 #endif  // ScriptModule_h