Reduce the amount of included header files. Vast change like in "Oh God! This...

net/url_request/url_request_http_job.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_HTTP_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_HTTP_JOB_H_
 
-#include <string>
 #include <vector>
 
 #include "base/scoped_ptr.h"
+#include "net/base/auth.h"
 #include "net/base/completion_callback.h"
 #include "net/http/http_request_info.h"
 #include "net/url_request/url_request_job.h"
 
 namespace net {
 class HttpResponseInfo;
 class HttpTransaction;
 }
 class URLRequestContext;
 
@@ skipping 63 matching lines @@
   GURL sdch_dictionary_url_;
 
   // Keep a reference to the url request context to be sure it's not deleted
   // before us.
   scoped_refptr<URLRequestContext> context_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestHttpJob);
 };
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_HTTP_JOB_H_