Use modified URLRequest::Read() and delegate methods in components/

components/data_reduction_proxy/core/browser/data_reduction_proxy_bypass_stats.h

 // Copyright 2014 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 COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_BYPASS_STATS_H_
 #define COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_BYPASS_STATS_H_
 
 #include <stdint.h>
 
 #include "base/callback.h"
@@ skipping 39 matching lines @@
   // hook to inform the user that the Data Reduction Proxy is unreachable.
   // |config| must not be null.
   DataReductionProxyBypassStats(
       DataReductionProxyConfig* config,
       UnreachableCallback unreachable_callback);
 
   ~DataReductionProxyBypassStats() override;
 
   // Callback intended to be called from |DataReductionProxyNetworkDelegate|
   // when a request completes. This method is used to gather bypass stats.
-  void OnUrlRequestCompleted(const net::URLRequest* request, bool started);
+  void OnUrlRequestCompleted(const net::URLRequest* request,
+                             bool started,
+                             int net_error);
 
   // Records the last bypass reason to |bypass_type_| and sets
   // |triggering_request_| to true. A triggering request is the first request to
   // cause the current bypass.
   void SetBypassType(DataReductionProxyBypassType type);
 
   // Visible for testing.
   DataReductionProxyBypassType GetBypassType() const;
 
   // Records all the data reduction proxy bytes-related histograms for the
@@ skipping 80 matching lines @@
 
   // Whether or not the data reduction proxy is unavailable.
   bool unavailable_;
 
   DISALLOW_COPY_AND_ASSIGN(DataReductionProxyBypassStats);
 };
 
 }  // namespace data_reduction_proxy
 
 #endif  // COMPONENTS_DATA_REDUCTION_PROXY_CORE_BROWSER_DATA_REDUCTION_PROXY_BYPASS_STATS_H_