[Payments] Move JourneyLogger unit tests from Java to C++.

components/payments/core/journey_logger.cc

 // 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.
 
 #include "components/payments/core/journey_logger.h"
 
 #include <algorithm>
 
 #include "base/metrics/histogram_functions.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 157 matching lines @@
 }
 
 void JourneyLogger::RecordCanMakePaymentEffectOnShow() {
   if (!was_can_make_payments_used_)
     return;
 
   int effect_on_show = 0;
   if (was_show_called_)
     effect_on_show |= CMP_SHOW_DID_SHOW;
   if (could_make_payment_)
-    effect_on_show |= CMP_SHOW_COULD_MAKE_PAYMENT_;
+    effect_on_show |= CMP_SHOW_COULD_MAKE_PAYMENT;
 
   UMA_HISTOGRAM_ENUMERATION("PaymentRequest.CanMakePayment.Used.EffectOnShow",
                             effect_on_show, CMP_SHOW_MAX);
 }
 
 void JourneyLogger::RecordCanMakePaymentEffectOnCompletion(
     CompletionStatus completion_status) {
   if (!was_show_called_)
     return;
 
   std::string histogram_name = "PaymentRequest.CanMakePayment.";
   if (!was_can_make_payments_used_) {
     histogram_name += "NotUsed.WithShowEffectOnCompletion";
   } else if (could_make_payment_) {
     histogram_name += "Used.TrueWithShowEffectOnCompletion";
   } else {
     histogram_name += "Used.FalseWithShowEffectOnCompletion";
   }
 
   base::UmaHistogramEnumeration(histogram_name, completion_status,
                                 COMPLETION_STATUS_MAX);
 }
 
 }  // namespace payments