Reporting: Add histograms.

net/reporting/reporting_browsing_data_remover.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 "net/reporting/reporting_browsing_data_remover.h"
 
 #include <vector>
 
 #include "base/memory/ptr_util.h"
 #include "net/reporting/reporting_cache.h"
 #include "net/reporting/reporting_client.h"
 #include "net/reporting/reporting_context.h"
 #include "net/reporting/reporting_report.h"
 
 namespace net {
 
 // static
 void ReportingBrowsingDataRemover::RemoveBrowsingData(
     ReportingCache* cache,
     int data_type_mask,
     base::Callback<bool(const GURL&)> origin_filter) {
   bool remove_reports = (data_type_mask & DATA_TYPE_REPORTS) != 0;
   bool remove_clients = (data_type_mask & DATA_TYPE_CLIENTS) != 0;
 
   if (origin_filter.is_null()) {
-    if (remove_reports)
-      cache->RemoveAllReports();
+    if (remove_reports) {
+      cache->RemoveAllReports(
+          ReportingReport::Outcome::ERASED_BROWSING_DATA_REMOVED);
+    }
     if (remove_clients)
       cache->RemoveAllClients();
     return;
   }
 
   if (remove_reports) {
     std::vector<const ReportingReport*> all_reports;
     cache->GetReports(&all_reports);
 
     std::vector<const ReportingReport*> reports_to_remove;
     for (const ReportingReport* report : all_reports) {
       if (origin_filter.Run(report->url))
         reports_to_remove.push_back(report);
     }
 
-    cache->RemoveReports(reports_to_remove);
+    cache->RemoveReports(
+        reports_to_remove,
+        ReportingReport::Outcome::ERASED_BROWSING_DATA_REMOVED);
   }
 
   if (remove_clients) {
     std::vector<const ReportingClient*> all_clients;
     cache->GetClients(&all_clients);
 
     std::vector<const ReportingClient*> clients_to_remove;
     for (const ReportingClient* client : all_clients) {
       // TODO(juliatuttle): Examine client endpoint as well?
       if (origin_filter.Run(client->origin.GetURL()))
         clients_to_remove.push_back(client);
     }
 
     cache->RemoveClients(clients_to_remove);
   }
 }
 
 }  // namespace net