[stubs] A new approach to TF stubs

src/snapshot/serialize.h

Index: src/snapshot/serialize.h
diff --git a/src/snapshot/serialize.h b/src/snapshot/serialize.h
index f68ad3739a990c9e56d1296a3ad20b06fb85f4dc..d499a8bae164b83c94acce705dd1d28c67b2133e 100644
--- a/src/snapshot/serialize.h
+++ b/src/snapshot/serialize.h
@@ -221,10 +221,7 @@ class SerializerDeserializer: public ObjectVisitor {
   static const int kNativesStringResource = 0x5d;
   // Used for the source code for compiled stubs, which is in the executable,
   // but is referred to from external strings in the snapshot.
-  static const int kCodeStubNativesStringResource = 0x5e;
-  // Used for the source code for V8 extras, which is in the executable,
-  // but is referred to from external strings in the snapshot.
-  static const int kExtraNativesStringResource = 0x5f;
+  static const int kExtraNativesStringResource = 0x5e;
   // A tag emitted at strategic points in the snapshot to delineate sections.
   // If the deserializer does not find these at the expected moments then it
   // is an indication that the snapshot and the VM do not fit together.