[Payments] Move the logging for checkout flow to native.

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 986f7bcafc5b769384c51a8849fbc2b82c319e90..af815ccd203ec74af8f78ef08cf01088c44b2b09 100644
--- a/components/payments/core/journey_logger.cc
+++ b/components/payments/core/journey_logger.cc
@@ -106,6 +106,33 @@ void JourneyLogger::SetShowCalled() {
   was_show_called_ = true;
 }
 
+void JourneyLogger::SetCompleted() {
+  UMA_HISTOGRAM_BOOLEAN("PaymentRequest.CheckoutFunnel.Completed", true);
+
+  RecordJourneyStatsHistograms(COMPLETION_STATUS_COMPLETED);
+}
+
+void JourneyLogger::SetAborted(AbortReason reason) {
+  base::UmaHistogramEnumeration("PaymentRequest.CheckoutFunnel.Aborted", reason,
+                                ABORT_REASON_MAX);
+
+  if (reason == ABORT_REASON_ABORTED_BY_USER)
+    RecordJourneyStatsHistograms(COMPLETION_STATUS_USER_ABORTED);
+  else
+    RecordJourneyStatsHistograms(COMPLETION_STATUS_OTHER_ABORTED);
+}
+
+#ifdef OS_ANDROID
+void JourneyLogger::SetNotShown(NotShownReason reason) {
+  base::UmaHistogramEnumeration("PaymentRequest.CheckoutFunnel.NoShow", reason,
+                                NOT_SHOWN_REASON_MAX);
+
+  // Record that that Payment Request was initiated here, because nothing else
+  // will be recorded for a Payment Request that was not shown to the user.
+  UMA_HISTOGRAM_BOOLEAN("PaymentRequest.CheckoutFunnel.Initiated", true);
+}
+#endif
+
 void JourneyLogger::SetEventOccurred(Event event) {
   events_ |= event;
 }