[Autofill] Eliminate one ToFormData() call

Bug: 40100455
Change-Id: Iadd4b07a1469d707d63351a7dcf697707516ccee
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5851075
Reviewed-by: Dominic Battré <battre@chromium.org>
Commit-Queue: Dominic Battré <battre@chromium.org>
Auto-Submit: Christoph Schwering <schwering@google.com>
Code-Coverage: findit-for-me@appspot.gserviceaccount.com <findit-for-me@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1353786}

components/autofill/core/browser/metrics/autofill_metrics.cc

@@ -2460,7 +2460,7 @@ void AutofillMetrics::FormInteractionsUkmLogger::
   SetStatusVector(AutofillStatus::kWasFocusedByTapOrClick,
                   OptionalBooleanToBool(was_focused_by_tap_or_click));
   SetStatusVector(AutofillStatus::kIsInSubFrame,
-                  form.ToFormData().host_frame() != field.host_frame());
+                  form.global_id().frame_token != field.host_frame());
 
   if (filling_prevented_by_iframe_security_policy !=
       OptionalBoolean::kUndefined) {