Remove unneeded platform_thread.h includes. Reduces number of includes from 5...

net/url_request/url_request_unittest.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_UNITTEST_H_
 #define NET_URL_REQUEST_URL_REQUEST_UNITTEST_H_
 
 #include <stdlib.h>
 
 #include <sstream>
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
-#include "base/platform_thread.h"
 #include "base/process_util.h"
 #include "base/string_util.h"
 #include "base/thread.h"
 #include "base/time.h"
 #include "base/waitable_event.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
 #include "net/base/ssl_test_util.h"
 #include "net/http/http_network_layer.h"
 #include "net/url_request/url_request.h"
@@ skipping 495 matching lines @@
     MessageLoop::current()->Run();
     if (request.is_pending())
       return false;
 
     return true;
   }
 
 };
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_UNITTEST_H_