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

net/url_request/url_request_simple_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_simple_job.h"
 
 #include "base/message_loop.h"
 #include "net/base/net_errors.h"
 #include "net/url_request/url_request_status.h"
 
 URLRequestSimpleJob::URLRequestSimpleJob(URLRequest* request)
     : URLRequestJob(request),
       data_offset_(0) {
 }
 
 void URLRequestSimpleJob::Start() {
   // Start reading asynchronously so that all error reporting and data
   // callbacks happen as they would for network requests.
   MessageLoop::current()->PostTask(FROM_HERE, NewRunnableMethod(
       this, &URLRequestSimpleJob::StartAsync));
 }
 
-bool URLRequestSimpleJob::GetMimeType(std::string* mime_type) {
+bool URLRequestSimpleJob::GetMimeType(std::string* mime_type) const {
   *mime_type = mime_type_;
   return true;
 }
 
 bool URLRequestSimpleJob::GetCharset(std::string* charset) {
   *charset = charset_;
   return true;
 }
 
 bool URLRequestSimpleJob::ReadRawData(net::IOBuffer* buf, int buf_size,
@@ skipping 15 matching lines @@
   if (GetData(&mime_type_, &charset_, &data_)) {
     // Notify that the headers are complete
     NotifyHeadersComplete();
   } else {
     // what should the error code be?
     NotifyStartError(URLRequestStatus(URLRequestStatus::FAILED,
                                       net::ERR_INVALID_URL));
   }
 }