Respect cookies set in a 401 responses when restarting the http transaction....

net/http/http_util.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_HTTP_HTTP_UTIL_H_
 #define NET_HTTP_HTTP_UTIL_H_
 
 #include "base/string_tokenizer.h"
 #include "googleurl/src/gurl.h"
 
@@ skipping 29 matching lines @@
   static void ParseContentType(const std::string& content_type_str,
                                std::string* mime_type,
                                std::string* charset,
                                bool *had_charset);
 
   // Scans the '\r\n'-delimited headers for the given header name.  Returns
   // true if a match is found.  Input is assumed to be well-formed.
   // TODO(darin): kill this
   static bool HasHeader(const std::string& headers, const char* name);
 
+  // Strips all header lines from |headers| whose name matches
+  // |headers_to_remove|. |headers_to_remove| is a list of null-terminated
+  // lower-case header names, with array length |headers_to_remove_len|.
+  // Returns the stripped header lines list, separated by "\r\n".
+  static std::string StripHeaders(const std::string& headers,
+                                  const char* const headers_to_remove[],
+                                  size_t headers_to_remove_len);
+
   // Multiple occurances of some headers cannot be coalesced into a comma-
   // separated list since their values are (or contain) unquoted HTTP-date
   // values, which may contain a comma (see RFC 2616 section 3.3.1).
   static bool IsNonCoalescingHeader(std::string::const_iterator name_begin,
                                     std::string::const_iterator name_end);
   static bool IsNonCoalescingHeader(const std::string& name) {
     return IsNonCoalescingHeader(name.begin(), name.end());
   }
 
   // Return true if the character is HTTP "linear white space" (SP | HT).
@@ skipping 141 matching lines @@
    private:
     StringTokenizer values_;
     std::string::const_iterator value_begin_;
     std::string::const_iterator value_end_;
   };
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_UTIL_H_