Extension state made per-siolate in genesis

src/serialize.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1114 matching lines @@
 
 
 void StartupSerializer::SerializeStrongReferences() {
   Isolate* isolate = Isolate::Current();
   // No active threads.
   CHECK_EQ(NULL, Isolate::Current()->thread_manager()->FirstThreadStateInUse());
   // No active or weak handles.
   CHECK(isolate->handle_scope_implementer()->blocks()->is_empty());
   CHECK_EQ(0, isolate->global_handles()->NumberOfWeakHandles());
   // We don't support serializing installed extensions.
-  for (RegisteredExtension* ext = v8::RegisteredExtension::first_extension();
-       ext != NULL;
-       ext = ext->next()) {
-    CHECK_NE(v8::INSTALLED, ext->state());
-  }
+  CHECK(!isolate->has_installed_extensions());
+
   HEAP->IterateStrongRoots(this, VISIT_ONLY_STRONG);
 }
 
 
 void PartialSerializer::Serialize(Object** object) {
   this->VisitPointer(object);
   Isolate* isolate = Isolate::Current();
 
   // After we have done the partial serialization the partial snapshot cache
   // will contain some references needed to decode the partial snapshot.  We
@@ skipping 516 matching lines @@
       fullness_[space] = RoundUp(fullness_[space], Page::kPageSize);
     }
   }
   int allocation_address = fullness_[space];
   fullness_[space] = allocation_address + size;
   return allocation_address;
 }
 
 
 } }  // namespace v8::internal