Remove URLRequest::Restart() because it is only referenced by unit tests

net/url_request/url_request.cc

 // Copyright (c) 2006-2009 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/url_request/url_request.h"
 
 #include "base/message_loop.h"
 #include "base/process_util.h"
 #include "base/singleton.h"
 #include "base/stats_counters.h"
@@ skipping 248 matching lines @@
   response_info_.request_time = Time::Now();
   response_info_.was_cached = false;
 
   // Don't allow errors to be sent from within Start().
   // TODO(brettw) this may cause NotifyDone to be sent synchronously,
   // we probably don't want this: they should be sent asynchronously so
   // the caller does not get reentered.
   job_->Start();
 }
 
-void URLRequest::Restart() {
-  // Should only be called if the original job didn't make any progress.
-  DCHECK(job_ && !job_->has_response_started());
-  RestartWithJob(GetJobManager()->CreateJob(this));
-}
-
 void URLRequest::RestartWithJob(URLRequestJob *job) {
   DCHECK(job->request() == this);
   PrepareToRestart();
   StartJob(job);
 }
 
 void URLRequest::Cancel() {
   DoCancel(net::ERR_ABORTED, net::SSLInfo());
 }
 
@@ skipping 208 matching lines @@
 }
 
 #ifndef NDEBUG
 
 URLRequestMetrics::~URLRequestMetrics() {
   DLOG_IF(WARNING, object_count != 0) <<
     "Leaking " << object_count << " URLRequest object(s)";
 }
 
 #endif