[modules] Store Module metadata in per-Context EmbedderData

src/d8.h

Index: src/d8.h
diff --git a/src/d8.h b/src/d8.h
index 32a7d25c2f7c4bf1859a900bd14b50027ca05e7c..e831f8eabf69f2db5e7ea4e9e925202867eaf2f5 100644
--- a/src/d8.h
+++ b/src/d8.h
@@ -5,7 +5,6 @@
 #ifndef V8_D8_H_
 #define V8_D8_H_
 
-#include <map>
 #include <string>
 
 #include "src/allocation.h"
@@ -455,9 +454,8 @@ class Shell : public i::AllStatic {
   static Local<ObjectTemplate> CreateGlobalTemplate(Isolate* isolate);
   static MaybeLocal<Context> CreateRealm(
       const v8::FunctionCallbackInfo<v8::Value>& args);
-  static MaybeLocal<Module> FetchModuleTree(
-      Isolate* isolate, const std::string& file_name,
-      std::map<std::string, Global<Module>>* module_map);
+  static MaybeLocal<Module> FetchModuleTree(v8::Local<v8::Context> context,
+                                            const std::string& file_name);
 };