Move BrowserThread to content namespace.

chrome/browser/net/preconnect.cc

 // Copyright (c) 2011 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/preconnect.h"
 
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/net_log.h"
 #include "net/base/ssl_config_service.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_request_info.h"
 #include "net/http/http_stream_factory.h"
 #include "net/http/http_transaction_factory.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 
+using content::BrowserThread;
+
 namespace chrome_browser_net {
 
 void PreconnectOnUIThread(
     const GURL& url,
     UrlInfo::ResolutionMotivation motivation,
     int count) {
   // Prewarm connection to Search URL.
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
@@ skipping 69 matching lines @@
 
   // All preconnects should perform EV certificate verification.
   ssl_config.verify_ev_cert = true;
 
   net::HttpStreamFactory* http_stream_factory = session->http_stream_factory();
   http_stream_factory->PreconnectStreams(
       count, request_info, ssl_config, ssl_config, net::BoundNetLog());
 }
 
 }  // namespace chrome_browser_net