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

chrome/browser/net/chrome_network_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_
 #define CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 148 matching lines @@
       GURL* allowed_unsafe_redirect_url) override;
   void OnBeforeRedirect(net::URLRequest* request,
                         const GURL& new_location) override;
   void OnResponseStarted(net::URLRequest* request) override;
   void OnNetworkBytesReceived(net::URLRequest* request,
                               int64_t bytes_received) override;
   void OnNetworkBytesSent(net::URLRequest* request,
                           int64_t bytes_sent) override;
   void OnCompleted(net::URLRequest* request, bool started) override;
   void OnURLRequestDestroyed(net::URLRequest* request) override;
-  void OnURLRequestJobOrphaned(net::URLRequest* request) override;
   void OnPACScriptError(int line_number, const base::string16& error) override;
   net::NetworkDelegate::AuthRequiredResponse OnAuthRequired(
       net::URLRequest* request,
       const net::AuthChallengeInfo& auth_info,
       const AuthCallback& callback,
       net::AuthCredentials* credentials) override;
   bool OnCanGetCookies(const net::URLRequest& request,
                        const net::CookieList& cookie_list) override;
   bool OnCanSetCookie(const net::URLRequest& request,
                       const std::string& cookie_line,
@@ skipping 47 matching lines @@
 
   // Aggregates and reports network usage.
   data_usage::DataUseAggregator* data_use_aggregator_;
   // Controls whether network usage is reported as being off the record.
   bool is_data_usage_off_the_record_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeNetworkDelegate);
 };
 
 #endif  // CHROME_BROWSER_NET_CHROME_NETWORK_DELEGATE_H_