[stubs] Store typeof string on Oddballs.

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index c71382a9de8d3f1042619d7105c3ef982af6f9ab..72d987603950ff0ca1df00f265077ea540a3341f 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -16,9 +16,8 @@ class FeedbackVectorSpec;
 // Interface for handle based allocation.
 class Factory final {
  public:
-  Handle<Oddball> NewOddball(Handle<Map> map,
-                             const char* to_string,
-                             Handle<Object> to_number,
+  Handle<Oddball> NewOddball(Handle<Map> map, const char* to_string,
+                             Handle<Object> to_number, const char* type_of,
                              byte kind);
 
   // Allocates a fixed array initialized with undefined values.