Bug 1840374 - Part 11: Don't call ToString in Temporal.Calendar.proto…

…type.toJSON. r=spidermonkey-reviewers,dminor

Also per <tc39/proposal-temporal#2482>.

Depends on D182028

Differential Revision: https://phabricator.services.mozilla.com/D182029

UltraBlame original commit: 06d1f2c99d3655bb48f32c40284c4b676d578f5c

js/src/builtin/temporal/Calendar.cpp

@@ -18287,13 +18287,10 @@ CallArgs
 args
 )
 {
-Rooted
-<
-CalendarValue
->
+auto
+*
 calendar
-(
-cx
+=
 &
 args
 .
@@ -18304,28 +18301,14 @@ thisv
 toObject
 (
 )
-)
-;
-JSString
-*
-str
-=
-CalendarToString
-(
-cx
-calendar
-)
-;
-if
+.
+as
+<
+CalendarObject
+>
 (
-!
-str
 )
-{
-return
-false
 ;
-}
 args
 .
 rval
@@ -18334,7 +18317,12 @@ rval
 .
 setString
 (
-str
+calendar
+-
+>
+identifier
+(
+)
 )
 ;
 return