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

net/base/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 "net/base/network_delegate.h"
 
 #include "base/logging.h"
 #include "base/profiler/scoped_tracker.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
@@ skipping 107 matching lines @@
       FROM_HERE_WITH_EXPLICIT_FUNCTION("475753 NetworkDelegate::OnCompleted"));
   OnCompleted(request, started);
 }
 
 void NetworkDelegate::NotifyURLRequestDestroyed(URLRequest* request) {
   DCHECK(CalledOnValidThread());
   DCHECK(request);
   OnURLRequestDestroyed(request);
 }
 
-void NetworkDelegate::NotifyURLRequestJobOrphaned(URLRequest* request) {
-  DCHECK(CalledOnValidThread());
-  DCHECK(request);
-  OnURLRequestJobOrphaned(request);
-}
-
 void NetworkDelegate::NotifyPACScriptError(int line_number,
                                            const base::string16& error) {
   DCHECK(CalledOnValidThread());
   OnPACScriptError(line_number, error);
 }
 
 NetworkDelegate::AuthRequiredResponse NetworkDelegate::NotifyAuthRequired(
     URLRequest* request,
     const AuthChallengeInfo& auth_info,
     const AuthCallback& callback,
@@ skipping 37 matching lines @@
 bool NetworkDelegate::CancelURLRequestWithPolicyViolatingReferrerHeader(
     const URLRequest& request,
     const GURL& target_url,
     const GURL& referrer_url) const {
   DCHECK(CalledOnValidThread());
   return OnCancelURLRequestWithPolicyViolatingReferrerHeader(
       request, target_url, referrer_url);
 }
 
 }  // namespace net