[d8] Make Realm.dispose() trigger a ContextDisposedNotification

src/d8.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 
 // Defined when linking against shared lib on Windows.
 #if defined(USING_V8_SHARED) && !defined(V8_SHARED)
 #define V8_SHARED
 #endif
 
@@ skipping 483 matching lines @@
   Isolate* isolate = args.GetIsolate();
   PerIsolateData* data = PerIsolateData::Get(isolate);
   int index = data->RealmIndexOrThrow(args, 0);
   if (index == -1) return;
   if (index == 0 ||
       index == data->realm_current_ || index == data->realm_switch_) {
     Throw(args.GetIsolate(), "Invalid realm index");
     return;
   }
   data->realms_[index].Reset();
+  isolate->ContextDisposedNotification();
+  isolate->IdleNotificationDeadline(g_platform->MonotonicallyIncreasingTime());
 }
 
 
 // Realm.switch(i) switches to the realm i for consecutive interactive inputs.
 void Shell::RealmSwitch(const v8::FunctionCallbackInfo<v8::Value>& args) {
   Isolate* isolate = args.GetIsolate();
   PerIsolateData* data = PerIsolateData::Get(isolate);
   int index = data->RealmIndexOrThrow(args, 0);
   if (index == -1) return;
   data->realm_switch_ = index;
@@ skipping 1232 matching lines @@
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif