Merged: [runtime] Mark old JSGlobalProxy's map as unstable when an iframe navigates away.

src/d8.h

Index: src/d8.h
diff --git a/src/d8.h b/src/d8.h
index 1bb8a8965ba9a94fbfc738b8663d4eb05eaf20ff..c3729f92ba121ed4aa8d2d4d934525f366be9e8d 100644
--- a/src/d8.h
+++ b/src/d8.h
@@ -360,6 +360,7 @@ class Shell : public i::AllStatic {
   static void RealmOwner(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmGlobal(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmCreate(const v8::FunctionCallbackInfo<v8::Value>& args);
+  static void RealmNavigate(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmCreateAllowCrossRealmAccess(
       const v8::FunctionCallbackInfo<v8::Value>& args);
   static void RealmDispose(const v8::FunctionCallbackInfo<v8::Value>& args);
@@ -456,7 +457,10 @@ class Shell : public i::AllStatic {
   static bool SetOptions(int argc, char* argv[]);
   static Local<ObjectTemplate> CreateGlobalTemplate(Isolate* isolate);
   static MaybeLocal<Context> CreateRealm(
-      const v8::FunctionCallbackInfo<v8::Value>& args);
+      const v8::FunctionCallbackInfo<v8::Value>& args, int index,
+      v8::MaybeLocal<Value> global_object);
+  static void DisposeRealm(const v8::FunctionCallbackInfo<v8::Value>& args,
+                           int index);
   static MaybeLocal<Module> FetchModuleTree(v8::Local<v8::Context> context,
                                             const std::string& file_name);
 };