Avoid using/setting cookies when fetching sdch dictionary

chrome/browser/net/sdch_dictionary_fetcher.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 "chrome/browser/net/sdch_dictionary_fetcher.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/message_loop.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/common/url_fetcher.h"
+#include "net/base/load_flags.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_status.h"
 
 SdchDictionaryFetcher::SdchDictionaryFetcher(
     net::URLRequestContextGetter* context)
     : ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)),
       task_is_pending_(false),
       context_(context) {
   DCHECK(CalledOnValidThread());
 }
@@ skipping 40 matching lines @@
 
 void SdchDictionaryFetcher::StartFetching() {
   DCHECK(task_is_pending_);
   task_is_pending_ = false;
 
   DCHECK(context_.get());
   current_fetch_.reset(content::URLFetcher::Create(
       fetch_queue_.front(), content::URLFetcher::GET, this));
   fetch_queue_.pop();
   current_fetch_->SetRequestContext(context_.get());
+  current_fetch_->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
+                               net::LOAD_DO_NOT_SAVE_COOKIES);
   current_fetch_->Start();
 }
 
 void SdchDictionaryFetcher::OnURLFetchComplete(
     const content::URLFetcher* source) {
   if ((200 == source->GetResponseCode()) &&
       (source->GetStatus().status() == net::URLRequestStatus::SUCCESS)) {
     std::string data;
     source->GetResponseAsString(&data);
     net::SdchManager::Global()->AddSdchDictionary(data, source->GetURL());
   }
   current_fetch_.reset(NULL);
   ScheduleDelayedRun();
 }