[Payments] Record CanMakePayment metrics on Desktop.

components/payments/core/journey_logger.cc

Index: components/payments/core/journey_logger.cc
diff --git a/components/payments/core/journey_logger.cc b/components/payments/core/journey_logger.cc
index dc25cf6f1bf460dd3d7f797e7100f60d914ffbb8..4406d5961de151e340e0a041f11ae45beb008f02 100644
--- a/components/payments/core/journey_logger.cc
+++ b/components/payments/core/journey_logger.cc
@@ -67,10 +67,7 @@ std::string GetHistogramNameSuffix(
 JourneyLogger::JourneyLogger(bool is_incognito,
                              const GURL& url,
                              ukm::UkmService* ukm_service)
-    : was_can_make_payments_used_(false),
-      could_make_payment_(false),
-      was_show_called_(false),
-      is_incognito_(is_incognito),
+    : is_incognito_(is_incognito),
       events_(EVENT_INITIATED),
       url_(url),
       ukm_service_(ukm_service) {}
@@ -113,6 +110,13 @@ void JourneyLogger::SetEventOccurred(Event event) {
 
 void JourneyLogger::RecordJourneyStatsHistograms(
     CompletionStatus completion_status) {
+  // TODO(crbug.com/717741): Replace if by DCHECK once we make sure it's not
+  // called more than once.
+  if (has_recorded_)
+    return;
+
+  has_recorded_ = true;
+
   RecordSectionSpecificStats(completion_status);
 
   // Record the CanMakePayment metrics based on whether the transaction was