[ES6 modules] Introduce ScriptModuleResolverImpl

third_party/WebKit/Source/core/dom/Modulator.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 Modulator_h
 #define Modulator_h
 
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/KURL.h"
@@ skipping 33 matching lines @@
   static Modulator* from(LocalFrame*);
   virtual ~Modulator();
 
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 
   virtual ScriptModuleResolver* scriptModuleResolver() = 0;
   virtual WebTaskRunner* taskRunner() = 0;
   virtual ReferrerPolicy referrerPolicy() = 0;
   virtual SecurityOrigin* securityOrigin() = 0;
 
+  // Synchronously retrieves a single module script from existing module map
+  // entry.
+  virtual ModuleScript* getFetchedModuleScript(const KURL&) = 0;
+
   // https://html.spec.whatwg.org/#resolve-a-module-specifier
   static KURL resolveModuleSpecifier(const String& moduleRequest,
                                      const KURL& baseURL);
 
   virtual ScriptModule compileModule(const String& script,
                                      const String& urlStr) = 0;
 
  private:
   friend class ModuleMap;
 
   // Fetches a single module script.
   // This is triggered from fetchSingle() implementation (which is in ModuleMap)
   // if the cached entry doesn't exist.
   // The client can be notified either synchronously or asynchronously.
   virtual void fetchNewSingleModule(const ModuleScriptFetchRequest&,
                                     ModuleGraphLevel,
                                     ModuleScriptLoaderClient*) = 0;
 };
 
 }  // namespace blink
 
 #endif