Add error callback to net::CertificateReportSender

net/url_request/certificate_report_sender.h

 // Copyright 2015 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_URL_REQUEST_CERTIFICATE_REPORT_SENDER_H_
 #define NET_URL_REQUEST_CERTIFICATE_REPORT_SENDER_H_
 
 #include <set>
 #include <string>
 
+#include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/http/transport_security_state.h"
 #include "net/url_request/url_request.h"
 
 class GURL;
 
 namespace net {
 
 class URLRequestContext;
@@ skipping 11 matching lines @@
   // Represents whether or not to send cookies along with reports.
   enum CookiesPreference { SEND_COOKIES, DO_NOT_SEND_COOKIES };
 
   // Constructs a CertificateReportSender that sends reports with the
   // given |request_context| and includes or excludes cookies based on
   // |cookies_preference|. |request_context| must outlive the
   // CertificateReportSender.
   CertificateReportSender(URLRequestContext* request_context,
                           CookiesPreference cookies_preference);
 
+  // Constructs a CertificateReportSender that sends reports with the
+  // given |request_context| and includes or excludes cookies based on
+  // |cookies_preference|. |request_context| must outlive the
+  // CertificateReportSender. When sending a report results in an error,
+  // |error_callback| is called with a pointer to the URLRequest as an
+  // argument.
+  CertificateReportSender(
+      URLRequestContext* request_context,
+      CookiesPreference cookies_preference,
+      const base::Callback<void(URLRequest*)>& error_callback);
+
   ~CertificateReportSender() override;
 
   // TransportSecurityState::ReportSender implementation.
   void Send(const GURL& report_uri, const std::string& report) override;
 
   // net::URLRequest::Delegate implementation.
   void OnResponseStarted(URLRequest* request) override;
   void OnReadCompleted(URLRequest* request, int bytes_read) override;
 
  private:
   net::URLRequestContext* const request_context_;
 
   CookiesPreference cookies_preference_;
 
   // Owns the contained requests.
   std::set<URLRequest*> inflight_requests_;
 
+  // Called when a sent report results in an error.
+  base::Callback<void(URLRequest* request)> error_callback_;
+
   DISALLOW_COPY_AND_ASSIGN(CertificateReportSender);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_CERTIFICATE_REPORT_H_