Revert "[Parse] ParseInfo owns the parsing Zone."

src/compiler-dispatcher/compiler-dispatcher-job.h

Index: src/compiler-dispatcher/compiler-dispatcher-job.h
diff --git a/src/compiler-dispatcher/compiler-dispatcher-job.h b/src/compiler-dispatcher/compiler-dispatcher-job.h
index 3fa69b29dbb7906786a3b02a7328496cc9bdfed8..e0a2677f8e51aba4a9f1d53da1fb9f48b1e5e71e 100644
--- a/src/compiler-dispatcher/compiler-dispatcher-job.h
+++ b/src/compiler-dispatcher/compiler-dispatcher-job.h
@@ -97,6 +97,7 @@ class V8_EXPORT_PRIVATE CompilerDispatcherJob {
 
   // Members required for parsing.
   std::unique_ptr<UnicodeCache> unicode_cache_;
+  std::unique_ptr<Zone> zone_;
   std::unique_ptr<Utf16CharacterStream> character_stream_;
   std::unique_ptr<ParseInfo> parse_info_;
   std::unique_ptr<Parser> parser_;