Revert of CHECK that URLRequestJobs are not orphaned while blocked by extensions.

chrome/browser/net/chrome_network_delegate.cc

 // Copyright (c) 2012 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/net/chrome_network_delegate.h"
 
 #include <stdlib.h>
 
 #include <vector>
 
@@ skipping 541 matching lines @@
     domain_reliability_monitor_->OnCompleted(request, started);
   RecordRequestSourceBandwidth(request, started);
   extensions_delegate_->ForwardProxyErrors(request);
   extensions_delegate_->ForwardDoneRequestStatus(request);
 }
 
 void ChromeNetworkDelegate::OnURLRequestDestroyed(net::URLRequest* request) {
   extensions_delegate_->OnURLRequestDestroyed(request);
 }
 
-void ChromeNetworkDelegate::OnURLRequestJobOrphaned(net::URLRequest* request) {
-  extensions_delegate_->OnURLRequestJobOrphaned(request);
-}
-
 void ChromeNetworkDelegate::OnPACScriptError(int line_number,
                                              const base::string16& error) {
   extensions_delegate_->OnPACScriptError(line_number, error);
 }
 
 net::NetworkDelegate::AuthRequiredResponse
 ChromeNetworkDelegate::OnAuthRequired(
     net::URLRequest* request,
     const net::AuthChallengeInfo& auth_info,
     const AuthCallback& callback,
@@ skipping 166 matching lines @@
   if (!data_use_aggregator_)
     return;
 
   if (is_data_usage_off_the_record_) {
     data_use_aggregator_->ReportOffTheRecordDataUse(tx_bytes, rx_bytes);
     return;
   }
 
   data_use_aggregator_->ReportDataUse(request, tx_bytes, rx_bytes);
 }