Reland "[Temporal] Add add/subtract to Duration"

This is a reland of commit a10194cf

Original change's description:
> [Temporal] Add add/subtract to Duration
>
> Also implement AOs: ToRelativeTemporalObject, AddDuration, AddDurationToOrSubtractDurationFromDuration,
>  ParseTemporalRelativeToString, DefaultTemporalLargestUnit,
> DifferenceZonedDateTime
>
> Spec Text:
> https://tc39.es/proposal-temporal/#sec-temporal.duration.prototype.add
> https://tc39.es/proposal-temporal/#sec-temporal.duration.prototype.subtract
> https://tc39.es/proposal-temporal/#sec-temporal-adddurationtoorsubtractdurationfromduration
> https://tc39.es/proposal-temporal/#sec-temporal-addduration
> https://tc39.es/proposal-temporal/#sec-temporal-torelativetemporalobject
> https://tc39.es/proposal-temporal/#sec-temporal-parsetemporalrelativetostring
> https://tc39.es/proposal-temporal/#sec-temporal-defaulttemporallargestunit
> https://tc39.es/proposal-temporal/#sec-temporal-differencezoneddatetime
>
> Bug: v8:11544
> Change-Id: Id2eff50d7f810042e1b7c53c49a09f9e489d5460
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3699301
> Commit-Queue: Frank Tang <ftang@chromium.org>
> Reviewed-by: Adam Klein <adamk@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#81650}

Bug: v8:11544
Change-Id: I4bf8055bc328e28cd40a4eaa282d125d69c47e96
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3756745Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81652}

src/builtins/builtins-temporal.cc

@@ -64,10 +64,6 @@ TO_BE_IMPLEMENTED(TemporalZonedDateTimePrototypeSince)
 /* Temporal.Duration */
 /* Temporal #sec-temporal.duration.compare */
 TO_BE_IMPLEMENTED(TemporalDurationCompare)
-/* Temporal #sec-temporal.duration.prototype.add */
-TO_BE_IMPLEMENTED(TemporalDurationPrototypeAdd)
-/* Temporal #sec-temporal.duration.prototype.subtract */
-TO_BE_IMPLEMENTED(TemporalDurationPrototypeSubtract)
 /* Temporal #sec-temporal.duration.prototype.round */
 TO_BE_IMPLEMENTED(TemporalDurationPrototypeRound)
 /* Temporal #sec-temporal.duration.prototype.total */
@@ -230,8 +226,8 @@ TO_BE_IMPLEMENTED(TemporalCalendarPrototypeWeekOfYear)
 #define TEMPORAL_GET_BY_INVOKE_CALENDAR_METHOD(T, METHOD, name)              \
   BUILTIN(Temporal##T##Prototype##METHOD) {                                  \
     HandleScope scope(isolate);                                              \
-    /* 2. Perform ? RequireInternalSlot(temporalDate, [[InitializedTemporal  \
-     * #T]]). */                                                             \
+    /* 2. Perform ? RequireInternalSlot(temporalDate, */                     \
+    /*    [[InitializedTemporal#T]]). */                                     \
     CHECK_RECEIVER(JSTemporal##T, date_like,                                 \
                    "get Temporal." #T ".prototype." #name);                  \
     /* 3. Let calendar be temporalDate.[[Calendar]]. */                      \
@@ -593,6 +589,8 @@ TEMPORAL_PROTOTYPE_METHOD0(Duration, Sign, sign)
 TEMPORAL_PROTOTYPE_METHOD0(Duration, Blank, blank)
 TEMPORAL_PROTOTYPE_METHOD0(Duration, Negated, negated)
 TEMPORAL_PROTOTYPE_METHOD0(Duration, Abs, abs)
+TEMPORAL_PROTOTYPE_METHOD2(Duration, Add, add)
+TEMPORAL_PROTOTYPE_METHOD2(Duration, Subtract, subtract)
 TEMPORAL_VALUE_OF(Duration)
 TEMPORAL_PROTOTYPE_METHOD0(Duration, ToJSON, toJSON)
 TEMPORAL_PROTOTYPE_METHOD2(Duration, ToLocaleString, toLocaleString)

src/objects/js-temporal-objects.h

@@ -193,6 +193,16 @@ class JSTemporalDuration
   V8_WARN_UNUSED_RESULT static MaybeHandle<JSTemporalDuration> Abs(
       Isolate* isolate, Handle<JSTemporalDuration> duration);
 
+  // #sec-temporal.duration.prototype.add
+  V8_WARN_UNUSED_RESULT static MaybeHandle<JSTemporalDuration> Add(
+      Isolate* isolate, Handle<JSTemporalDuration> duration,
+      Handle<Object> other, Handle<Object> options);
+
+  // #sec-temporal.duration.prototype.subtract
+  V8_WARN_UNUSED_RESULT static MaybeHandle<JSTemporalDuration> Subtract(
+      Isolate* isolate, Handle<JSTemporalDuration> duration,
+      Handle<Object> other, Handle<Object> options);
+
   // #sec-temporal.duration.prototype.tojson
   V8_WARN_UNUSED_RESULT static MaybeHandle<String> ToJSON(
       Isolate* isolate, Handle<JSTemporalDuration> duration);