Reporting: Remove persistence for now.

net/reporting/reporting_service.h

 // 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.
 
 #ifndef NET_REPORTING_REPORTING_SERVICE_H_
 #define NET_REPORTING_REPORTING_SERVICE_H_
 
 #include <memory>
 #include <string>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "net/base/net_export.h"
 
 class GURL;
 
 namespace base {
 class Value;
 }  // namespace
 
 namespace net {
 
 class ReportingContext;
-class ReportingDelegate;
 struct ReportingPolicy;
 class URLRequestContext;
 
 // The external interface to the Reporting system, used by the embedder of //net
 // and also other parts of //net.
 class NET_EXPORT ReportingService {
  public:
   virtual ~ReportingService();
 
   // Creates a ReportingService. |policy| will be copied. |request_context| must
-  // outlive the ReportingService. The ReportingService will take ownership of
-  // |delegate| and destroy it when the service is destroyed.
+  // outlive the ReportingService.
   static std::unique_ptr<ReportingService> Create(
       const ReportingPolicy& policy,
-      URLRequestContext* request_context,
-      std::unique_ptr<ReportingDelegate> delegate);
+      URLRequestContext* request_context);
 
   // Creates a ReportingService for testing purposes using an
   // already-constructed ReportingContext. The ReportingService will take
   // ownership of |reporting_context| and destroy it when the service is
   // destroyed.
   static std::unique_ptr<ReportingService> CreateForTesting(
       std::unique_ptr<ReportingContext> reporting_context);
 
   // Queues a report for delivery. |url| is the URL that originated the report.
   // |group| is the endpoint group to which the report should be delivered.
@@ skipping 14 matching lines @@
  protected:
   ReportingService() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ReportingService);
 };
 
 }  // namespace net
 
 #endif  // NET_REPORTING_REPORTING_SERVICE_H_