Remove all OnBeforeNetworkAccessed code above NetworkTransaction.

content/browser/loader/resource_loader.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 "content/browser/loader/resource_loader.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/location.h"
@@ skipping 428 matching lines @@
 
   DeferredStage stage = deferred_stage_;
   deferred_stage_ = DEFERRED_NONE;
   switch (stage) {
     case DEFERRED_NONE:
       NOTREACHED();
       break;
     case DEFERRED_START:
       StartRequestInternal();
       break;
-    case DEFERRED_NETWORK_START:
-      request_->ResumeNetworkStart();
-      break;
     case DEFERRED_REDIRECT:
       request_->FollowDeferredRedirect();
       break;
     case DEFERRED_READ:
       base::ThreadTaskRunnerHandle::Get()->PostTask(
           FROM_HERE, base::Bind(&ResourceLoader::ResumeReading,
                                 weak_ptr_factory_.GetWeakPtr()));
       break;
     case DEFERRED_RESPONSE_COMPLETE:
       base::ThreadTaskRunnerHandle::Get()->PostTask(
@@ skipping 255 matching lines @@
     }
 
     UMA_HISTOGRAM_ENUMERATION("Net.Prefetch.Pattern", status, STATUS_MAX);
   } else if (request_->response_info().unused_since_prefetch) {
     TimeDelta total_time = base::TimeTicks::Now() - request_->creation_time();
     UMA_HISTOGRAM_TIMES("Net.Prefetch.TimeSpentOnPrefetchHit", total_time);
   }
 }
 
 }  // namespace content