Revert of [Autofill] Enable Autofill UKM by default.

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"
+#include "components/autofill/core/browser/autofill_experiments.h"
 #include "components/ukm/ukm_entry_builder.h"
 #include "components/ukm/ukm_service.h"
 
 namespace payments {
 
 namespace internal {
 extern const char kUKMCheckoutEventsEntryName[] =
     "PaymentRequest.CheckoutEvents";
 extern const char kUKMCompletionStatusMetricName[] = "CompletionStatus";
 extern const char kUKMEventsMetricName[] = "Events";
@@ skipping 192 matching lines @@
     histogram_name += "Used.TrueWithShowEffectOnCompletion";
   } else {
     histogram_name += "Used.FalseWithShowEffectOnCompletion";
   }
 
   base::UmaHistogramEnumeration(histogram_name, completion_status,
                                 COMPLETION_STATUS_MAX);
 }
 
 void JourneyLogger::RecordUrlKeyedMetrics(CompletionStatus completion_status) {
-  if (!ukm_service_ || !url_.is_valid())
+  if (!autofill::IsUkmLoggingEnabled() || !ukm_service_ || !url_.is_valid())
     return;
 
   // Record the Checkout Funnel UKM.
   int32_t source_id = ukm_service_->GetNewSourceID();
   ukm_service_->UpdateSourceURL(source_id, url_);
   std::unique_ptr<ukm::UkmEntryBuilder> builder = ukm_service_->GetEntryBuilder(
       source_id, internal::kUKMCheckoutEventsEntryName);
   builder->AddMetric(internal::kUKMCompletionStatusMetricName,
                      completion_status);
   builder->AddMetric(internal::kUKMEventsMetricName, events_);
 }
 
 }  // namespace payments