Implement main CertificateReportingService code and add unit tests.

chrome/browser/safe_browsing/certificate_reporting_service_factory.cc

 // 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.
 
 #include "chrome/browser/safe_browsing/certificate_reporting_service.h"
 #include "chrome/browser/safe_browsing/certificate_reporting_service_factory.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 
 // static
 CertificateReportingServiceFactory*
@@ skipping 11 matching lines @@
 
 CertificateReportingServiceFactory::CertificateReportingServiceFactory()
     : BrowserContextKeyedServiceFactory(
           "cert_reporting::Factory",
           BrowserContextDependencyManager::GetInstance()) {}
 
 CertificateReportingServiceFactory::~CertificateReportingServiceFactory() {}
 
 KeyedService* CertificateReportingServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* profile) const {
-  return new CertificateReportingService();
+  return nullptr;

[Jialiu Lin, 2016/11/30 22:18:06]

may be add a TODO?

[meacer, 2016/11/30 23:39:40]

Done.

 }
 
 content::BrowserContext*
 CertificateReportingServiceFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return context;
 }