Revert of [Compiler] Enable handles created during parsing and scope analysis to be deferred.

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 28a86d1609844e45588178174a299227c3d92ecb..2501544f3cd3ee13e1630922a62dd9a9cd811bb9 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -2418,19 +2418,12 @@
   }
 
   source->info->set_script(script);
-  if (source->info->literal() == nullptr) {
-    source->parser->ReportErrors(isolate, script);
-  }
-  source->parser->UpdateStatistics(isolate, script);
-
-  i::DeferredHandleScope deferred_handle_scope(isolate);
-  {
-    // Internalize AST values on the main thread.
-    source->info->ReopenHandlesInNewHandleScope();
-    source->info->ast_value_factory()->Internalize(isolate);
-    source->parser->HandleSourceURLComments(isolate, script);
-  }
-  source->info->set_deferred_handles(deferred_handle_scope.Detach());
+
+  // Do the parsing tasks which need to be done on the main thread. This will
+  // also handle parse errors.
+  source->parser->Internalize(isolate, script,
+                              source->info->literal() == nullptr);
+  source->parser->HandleSourceURLComments(isolate, script);
 
   i::Handle<i::SharedFunctionInfo> result;
   if (source->info->literal() != nullptr) {