Rewrite scoped_ptr<T>(NULL) to use the default ctor in net/.

net/proxy/proxy_script_fetcher_impl.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/proxy/proxy_script_fetcher_impl.h"
 
 #include "base/compiler_specific.h"
 #include "base/i18n/icu_string_conversions.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ skipping 59 matching lines @@
 }
 
 }  // namespace
 
 ProxyScriptFetcherImpl::ProxyScriptFetcherImpl(
     URLRequestContext* url_request_context)
     : weak_factory_(this),
       url_request_context_(url_request_context),
       buf_(new IOBuffer(kBufSize)),
       next_id_(0),
-      cur_request_(NULL),
       cur_request_id_(0),
       result_code_(OK),
       result_text_(NULL),
       max_response_bytes_(kDefaultMaxResponseBytes),
       max_duration_(base::TimeDelta::FromMilliseconds(kDefaultMaxDurationMs)) {
   DCHECK(url_request_context);
 }
 
 ProxyScriptFetcherImpl::~ProxyScriptFetcherImpl() {
   // The URLRequest's destructor will cancel the outstanding request, and
@@ skipping 222 matching lines @@
   // is still applicable.
   if (cur_request_id_ != id)
     return;
 
   DCHECK(cur_request_.get());
   result_code_ = ERR_TIMED_OUT;
   cur_request_->Cancel();
 }
 
 }  // namespace net