Adds the new URLRequest::OnBeforeNetworkStart hook to the

content/browser/loader/async_resource_handler.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/async_resource_handler.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 202 matching lines @@
 
   return true;
 }
 
 bool AsyncResourceHandler::OnWillStart(int request_id,
                                        const GURL& url,
                                        bool* defer) {
   return true;
 }
 
+bool AsyncResourceHandler::OnBeforeNetworkStart(int request_id,
+                                                const GURL& url,
+                                                bool* defer) {
+  return true;
+}
+
 bool AsyncResourceHandler::OnWillRead(int request_id,
                                       scoped_refptr<net::IOBuffer>* buf,
                                       int* buf_size,
                                       int min_size) {
   DCHECK_EQ(-1, min_size);
 
   if (!EnsureResourceBufferIsInitialized())
     return false;
 
   DCHECK(buffer_->CanAllocate());
@@ skipping 149 matching lines @@
     request()->LogUnblocked();
     controller()->Resume();
   }
 }
 
 void AsyncResourceHandler::OnDefer() {
   request()->LogBlockedBy("AsyncResourceHandler");
 }
 
 }  // namespace content