Add factory class for CertificateReportingService and a new metrics provider.

chrome/browser/safe_browsing/certificate_reporting_service.h

 // Copyright 2016 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.
 
 #ifndef CHROME_BROWSER_SAFE_BROWSING_CERTIFICATE_REPORTING_SERVICE_H_
 #define CHROME_BROWSER_SAFE_BROWSING_CERTIFICATE_REPORTING_SERVICE_H_
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "base/time/time.h"
 #include "components/certificate_reporting/error_reporter.h"
+#include "components/keyed_service/core/keyed_service.h"
 
 namespace base {
 class Clock;
 }
 
 // This service initiates uploads of invalid certificate reports and retries any
 // failed uploads.
-class CertificateReportingService {
+class CertificateReportingService : public KeyedService {
  public:
   // Represent a report to be sent.
   struct Report {
     int report_id;
     base::Time creation_time;
     std::string serialized_report;
     Report(int report_id,
            base::Time creation_time,
            const std::string& serialized_report)
         : report_id(report_id),
@@ skipping 65 matching lines @@
 
     std::map<int, Report> inflight_reports_;
 
     base::WeakPtrFactory<Reporter> weak_factory_;
 
     DISALLOW_IMPLICIT_CONSTRUCTORS(Reporter);
   };
 };
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_CERTIFICATE_REPORTING_SERVICE_H_