[POC] Implement "module responses map" concept

third_party/WebKit/Source/core/workers/WorkletGlobalScopeProxy.h

Index: third_party/WebKit/Source/core/workers/WorkletGlobalScopeProxy.h
diff --git a/third_party/WebKit/Source/core/workers/WorkletGlobalScopeProxy.h b/third_party/WebKit/Source/core/workers/WorkletGlobalScopeProxy.h
index 2efe5dddad205b442d2e17296b7ee27982446cf1..235c4a39db69a84ee2c6165622fdf7b852a2f26b 100644
--- a/third_party/WebKit/Source/core/workers/WorkletGlobalScopeProxy.h
+++ b/third_party/WebKit/Source/core/workers/WorkletGlobalScopeProxy.h
@@ -13,6 +13,7 @@
 
 namespace blink {
 
+class WorkletModuleResponsesMap;
 class WorkletPendingTasks;
 
 // Abstracts communication from (Main/Threaded)Worklet on the main thread to
@@ -26,6 +27,7 @@ class CORE_EXPORT WorkletGlobalScopeProxy : public GarbageCollectedMixin {
   // https://drafts.css-houdini.org/worklets/#fetch-and-invoke-a-worklet-script
   virtual void FetchAndInvokeScript(
       const KURL& module_url_record,
+      WorkletModuleResponsesMap*,
       WebURLRequest::FetchCredentialsMode,
       RefPtr<WebTaskRunner> outside_settings_task_runner,
       WorkletPendingTasks*) = 0;