Fix flaky CertificateReportingService browser tests.

chrome/browser/safe_browsing/certificate_reporting_service_factory.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_FACTORY_H_
 #define CHROME_BROWSER_SAFE_BROWSING_CERTIFICATE_REPORTING_SERVICE_FACTORY_H_
 
 #include "base/memory/singleton.h"
 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
 
@@ skipping 12 matching lines @@
   // Returns the reporting service associated with |context|.
   static CertificateReportingService* GetForBrowserContext(
       content::BrowserContext* context);
 
   // Setters for testing.
   void SetReportEncryptionParamsForTesting(uint8_t* server_public_key,
                                            uint32_t server_public_key_version);
   void SetClockForTesting(std::unique_ptr<base::Clock> clock);
   void SetQueuedReportTTLForTesting(base::TimeDelta queued_report_ttl);
   void SetMaxQueuedReportCountForTesting(size_t max_report_count);
+  void SetServiceResetCallback(
+      const base::Callback<void()>& service_reset_callback);
 
  private:
   friend struct base::DefaultSingletonTraits<
       CertificateReportingServiceFactory>;
 
   CertificateReportingServiceFactory();
   ~CertificateReportingServiceFactory() override;
 
   // BrowserContextKeyedServiceFactory overrides:
   KeyedService* BuildServiceInstanceFor(
       content::BrowserContext* context) const override;
   content::BrowserContext* GetBrowserContextToUse(
       content::BrowserContext* context) const override;
 
   // Encryption parameters for certificate reports.
   uint8_t* server_public_key_;
   uint32_t server_public_key_version_;
 
   std::unique_ptr<base::Clock> clock_;
   base::TimeDelta queued_report_ttl_;
   size_t max_queued_report_count_;
+  base::Callback<void()> service_reset_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(CertificateReportingServiceFactory);
 };
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_CERTIFICATE_REPORTING_SERVICE_FACTORY_H_