Reporting: Add histograms.

net/reporting/reporting_delivery_agent_unittest.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_delivery_agent.h"
 
 #include <vector>
 
 #include "base/json/json_reader.h"
 #include "base/memory/ptr_util.h"
@@ skipping 160 matching lines @@
 
   // Remove the report while the upload is running.
   std::vector<const ReportingReport*> reports;
   cache()->GetReports(&reports);
   EXPECT_EQ(1u, reports.size());
 
   const ReportingReport* report = reports[0];
   EXPECT_FALSE(cache()->IsReportDoomedForTesting(report));
 
   // Report should appear removed, even though the cache has doomed it.
-  cache()->RemoveReports(reports);
+  cache()->RemoveReports(reports, ReportingReport::Outcome::UNKNOWN);
   cache()->GetReports(&reports);
   EXPECT_TRUE(reports.empty());
   EXPECT_TRUE(cache()->IsReportDoomedForTesting(report));
 
   // Completing upload shouldn't crash, and report should still be gone.
   pending_uploads()[0]->Complete(ReportingUploader::Outcome::SUCCESS);
   cache()->GetReports(&reports);
   EXPECT_TRUE(reports.empty());
   // This is slightly sketchy since |report| has been freed, but it nonetheless
   // should not be in the set of doomed reports.
@@ skipping 127 matching lines @@
   delivery_timer()->Fire();
   ASSERT_EQ(2u, pending_uploads().size());
 
   pending_uploads()[1]->Complete(ReportingUploader::Outcome::SUCCESS);
   pending_uploads()[0]->Complete(ReportingUploader::Outcome::SUCCESS);
   EXPECT_EQ(0u, pending_uploads().size());
 }
 
 }  // namespace
 }  // namespace net