Remove all OnBeforeNetworkAccessed code above NetworkTransaction.

content/browser/loader/resource_loader.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 CONTENT_BROWSER_LOADER_RESOURCE_LOADER_H_
 #define CONTENT_BROWSER_LOADER_RESOURCE_LOADER_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 90 matching lines @@
     STATUS_UNDEFINED,
     STATUS_SUCCESS_FROM_CACHE,
     STATUS_SUCCESS_FROM_NETWORK,
     STATUS_CANCELED,
     STATUS_MAX,
   };
 
   enum DeferredStage {
     DEFERRED_NONE,
     DEFERRED_START,
-    DEFERRED_NETWORK_START,
     DEFERRED_REDIRECT,
     DEFERRED_READ,
     DEFERRED_RESPONSE_COMPLETE,
     DEFERRED_FINISH
   };
   DeferredStage deferred_stage_;
 
   std::unique_ptr<net::URLRequest> request_;
   std::unique_ptr<ResourceHandler> handler_;
   ResourceLoaderDelegate* delegate_;
@@ skipping 15 matching lines @@
   int times_cancelled_after_request_start_;
 
   base::WeakPtrFactory<ResourceLoader> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceLoader);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_RESOURCE_LOADER_H_