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

components/data_reduction_proxy/core/browser/data_reduction_proxy_bypass_stats.cc

 // 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.
 
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_bypass_stats.h"
 
 #include "base/callback.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/metrics/sparse_histogram.h"
 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_config.h"
@@ skipping 99 matching lines @@
       unavailable_(false) {
   DCHECK(config);
   NetworkChangeNotifier::AddNetworkChangeObserver(this);
 }
 
 DataReductionProxyBypassStats::~DataReductionProxyBypassStats() {
   NetworkChangeNotifier::RemoveNetworkChangeObserver(this);
 }
 
 void DataReductionProxyBypassStats::OnUrlRequestCompleted(
-    const net::URLRequest* request, bool started) {
+    const net::URLRequest* request,
+    bool started,
+    int net_error) {
   DataReductionProxyTypeInfo proxy_info;
   // Ignore requests that did not use the data reduction proxy. The check for
   // LOAD_BYPASS_PROXY is necessary because the proxy_server() in the |request|
   // might still be set to the data reduction proxy if |request| was retried
   // over direct and a network error occurred while retrying it.
   if (data_reduction_proxy_config_->WasDataReductionProxyUsed(request,
                                                               &proxy_info) &&
       (request->load_flags() & net::LOAD_BYPASS_PROXY) == 0 &&
-      request->status().status() == net::URLRequestStatus::SUCCESS) {
+      net_error == net::OK) {
     successful_requests_through_proxy_count_++;
     NotifyUnavailabilityIfChanged();
 
     // Report the success counts.
     UMA_HISTOGRAM_COUNTS_100(
         "DataReductionProxy.SuccessfulRequestCompletionCounts",
         proxy_info.proxy_index);
     if (request->load_flags() & net::LOAD_MAIN_FRAME_DEPRECATED) {
       UMA_HISTOGRAM_COUNTS_100(
           "DataReductionProxy.SuccessfulRequestCompletionCounts.MainFrame",
@@ skipping 346 matching lines @@
               content_length);
           break;
         default:
           break;
       }
       break;
   }
 }
 
 }  // namespace data_reduction_proxy