[Payments] Add metric for when Pr UI is skipped.

components/payments/core/journey_logger.h

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_PAYMENTS_CORE_JOURNEY_LOGGER_H_
 #define COMPONENTS_PAYMENTS_CORE_JOURNEY_LOGGER_H_
 
 #include <string>
 
 #include "base/macros.h"
@@ skipping 47 matching lines @@
     COMPLETION_STATUS_MAX,
   };
 
   // Used to record the different events that happened during the Payment
   // Request.
   enum Event {
     EVENT_INITIATED = 0,
     EVENT_SHOWN = 1 << 0,
     EVENT_PAY_CLICKED = 1 << 1,
     EVENT_RECEIVED_INSTRUMENT_DETAILS = 1 << 2,
-    EVENT_MAX = 8,
+    EVENT_SKIPPED_SHOW = 1 << 3,
+    EVENT_MAX = 16,
   };
 
   // Used to mesure the impact of the CanMakePayment return value on whether the
   // Payment Request is shown to the user.
   static const int CMP_SHOW_COULD_NOT_MAKE_PAYMENT_AND_DID_NOT_SHOW = 0;
   static const int CMP_SHOW_DID_SHOW = 1 << 0;
   static const int CMP_SHOW_COULD_MAKE_PAYMENT = 1 << 1;
   static const int CMP_SHOW_MAX = 4;
 
   JourneyLogger(bool is_incognito,
@@ skipping 89 matching lines @@
 
   // Not owned, will outlive this object.
   ukm::UkmService* ukm_service_;
 
   DISALLOW_COPY_AND_ASSIGN(JourneyLogger);
 };
 
 }  // namespace payments
 
 #endif  // COMPONENTS_PAYMENTS_CORE_JOURNEY_LOGGER_H_