[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 6bdfa54e0d7cb365041e4fd2cbe388f7026b9be3..12b19babdb2e986924d41e67ac4e3780f4241017 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.