Use FilterContext to allow filters to access URLRequestJob data...

net/url_request/url_request_ftp_job.cc

 // 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.
 
 #include "net/url_request/url_request_ftp_job.h"
 
 #include <windows.h>
 #include <wininet.h>
 
 #include "base/message_loop.h"
@@ skipping 62 matching lines @@
 void URLRequestFtpJob::Start() {
   GURL parts(request_->url());
   const std::string& scheme = parts.scheme();
 
   // We should only be dealing with FTP at this point:
   DCHECK(LowerCaseEqualsASCII(scheme, "ftp"));
 
   SendRequest();
 }
 
-bool URLRequestFtpJob::GetMimeType(std::string* mime_type) {
+bool URLRequestFtpJob::GetMimeType(std::string* mime_type) const {
   if (!is_directory_)
     return false;
 
   mime_type->assign("text/html");
   return true;
 }
 
 void URLRequestFtpJob::OnCancelAuth() {
   MessageLoop::current()->PostTask(FROM_HERE, NewRunnableMethod(
       this, &URLRequestFtpJob::ContinueNotifyHeadersComplete));
@@ skipping 430 matching lines @@
 
       *location = request_->url().ReplaceComponents(replacements);
       *http_status_code = 301;  // simulate a permanent redirect
       return true;
     }
   }
 
   return false;
 }