Reland: [Parse] ParseInfo owns the parsing Zone.

src/runtime/runtime-internal.cc

Index: src/runtime/runtime-internal.cc
diff --git a/src/runtime/runtime-internal.cc b/src/runtime/runtime-internal.cc
index 5c8f049f741df7f10569f1eff5d7e59c1be20ae6..8ed1e3c0738ed1d3a5f4c212def5de9deb6c24a5 100644
--- a/src/runtime/runtime-internal.cc
+++ b/src/runtime/runtime-internal.cc
@@ -352,8 +352,7 @@ bool ComputeLocation(Isolate* isolate, MessageLocation* target) {
 Handle<String> RenderCallSite(Isolate* isolate, Handle<Object> object) {
   MessageLocation location;
   if (ComputeLocation(isolate, &location)) {
-    Zone zone(isolate->allocator(), ZONE_NAME);
-    std::unique_ptr<ParseInfo> info(new ParseInfo(&zone, location.shared()));
+    std::unique_ptr<ParseInfo> info(new ParseInfo(location.shared()));
     if (parsing::ParseAny(info.get())) {
       CallPrinter printer(isolate, location.shared()->IsUserJavaScript());
       Handle<String> str = printer.Print(info->literal(), location.start_pos());