Don't send Content-Type when redirecting from a POST....

net/url_request/url_request.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_H_
 #define NET_URL_REQUEST_URL_REQUEST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 419 matching lines @@
   int Redirect(const GURL& location, int http_status_code);
 
  private:
   friend class URLRequestJob;
 
   // Detaches the job from this request in preparation for this object going
   // away or the job being replaced. The job will not call us back when it has
   // been orphaned.
   void OrphanJob();
 
+  // Discard headers which have meaning in POST (Content-Length, Content-Type,
+  // Origin).
+  static std::string StripPostSpecificHeaders(const std::string& headers);
+
   scoped_refptr<URLRequestJob> job_;
   scoped_refptr<net::UploadData> upload_;
   GURL url_;
   GURL original_url_;
   GURL policy_url_;
   std::string method_; // "GET", "POST", etc. Should be all uppercase.
   std::string referrer_;
   std::string extra_request_headers_;
   int load_flags_;  // Flags indicating the request type for the load;
                     // expected values are LOAD_* enums above.
@@ skipping 61 matching lines @@
 #else  // disable leak checking in release builds...
 
 #define URLREQUEST_COUNT_CTOR()
 #define URLREQUEST_COUNT_DTOR()
 
 #endif
 
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_H_