Fix constructor for AutocompleteMatch to initialize |subtype_identifier|

components/omnibox/browser/autocomplete_match.h

Index: components/omnibox/browser/autocomplete_match.h
diff --git a/components/omnibox/browser/autocomplete_match.h b/components/omnibox/browser/autocomplete_match.h
index 64a4e3902ddad39929f3e74105d80dfc6cd6b865..f0465477beb7e3e136979bc1abb7a48439b4de19 100644
--- a/components/omnibox/browser/autocomplete_match.h
+++ b/components/omnibox/browser/autocomplete_match.h
@@ -368,7 +368,7 @@ struct AutocompleteMatch {
   Type type;
 
   // Used to identify the specific source / type for suggestions by the
-  // suggest server. See |result_type_identifier| in omnibox.proto for more
+  // suggest server. See |result_subtype_identifier| in omnibox.proto for more
   // details.
   // The identifier 0 is reserved for cases where this specific type is unset.
   int subtype_identifier;