Revert "Add experiment to exercise AffiliationService with dummy data, plus add related UMA histogr…

components/password_manager/core/browser/affiliation_backend.cc

Index: components/password_manager/core/browser/affiliation_backend.cc
diff --git a/components/password_manager/core/browser/affiliation_backend.cc b/components/password_manager/core/browser/affiliation_backend.cc
index 48301dbf24bca77b18b2b5a67b2d51509f16cfa3..fe7e31d8bfabf869508c8668dd0324927bc83a63 100644
--- a/components/password_manager/core/browser/affiliation_backend.cc
+++ b/components/password_manager/core/browser/affiliation_backend.cc
@@ -8,7 +8,6 @@
 
 #include "base/bind.h"
 #include "base/location.h"
-#include "base/metrics/histogram_macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_checker.h"
 #include "base/time/clock.h"
@@ -31,7 +30,6 @@ AffiliationBackend::AffiliationBackend(
       task_runner_(task_runner),
       clock_(time_source.Pass()),
       tick_clock_(time_tick_source.Pass()),
-      construction_time_(clock_->Now()),
       weak_ptr_factory_(this) {
   DCHECK_LT(base::Time(), clock_->Now());
 }
@@ -227,28 +225,9 @@ bool AffiliationBackend::OnCanSendNetworkRequest() {
   fetcher_.reset(AffiliationFetcher::Create(request_context_getter_.get(),
                                             requested_facet_uris, this));
   fetcher_->StartRequest();
-  ReportStatistics(requested_facet_uris.size());
   return true;
 }
 
-void AffiliationBackend::ReportStatistics(size_t requested_facet_uri_count) {
-  UMA_HISTOGRAM_COUNTS_100("PasswordManager.AffiliationBackend.FetchSize",
-                           requested_facet_uri_count);
-
-  if (last_request_time_.is_null()) {
-    base::TimeDelta delay = clock_->Now() - construction_time_;
-    UMA_HISTOGRAM_CUSTOM_TIMES(
-        "PasswordManager.AffiliationBackend.FirstFetchDelay", delay,
-        base::TimeDelta::FromSeconds(1), base::TimeDelta::FromDays(3), 50);
-  } else {
-    base::TimeDelta delay = clock_->Now() - last_request_time_;
-    UMA_HISTOGRAM_CUSTOM_TIMES(
-        "PasswordManager.AffiliationBackend.SubsequentFetchDelay", delay,
-        base::TimeDelta::FromSeconds(1), base::TimeDelta::FromDays(3), 50);
-  }
-  last_request_time_ = clock_->Now();
-}
-
 void AffiliationBackend::SetThrottlerForTesting(
     scoped_ptr<AffiliationFetchThrottler> throttler) {
   throttler_ = throttler.Pass();