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

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;
@@ skipping 12 matching lines @@
  protected:
   explicit URLRequestHttpJob(URLRequest* request);
 
   // URLRequestJob methods:
   virtual void SetUpload(net::UploadData* upload);
   virtual void SetExtraRequestHeaders(const std::string& headers);
   virtual void Start();
   virtual void Kill();
   virtual net::LoadState GetLoadState() const;
   virtual uint64 GetUploadProgress() const;
-  virtual bool GetMimeType(std::string* mime_type);
+  virtual bool GetMimeType(std::string* mime_type) const;
   virtual bool GetCharset(std::string* charset);
   virtual void GetResponseInfo(net::HttpResponseInfo* info);
   virtual bool GetResponseCookies(std::vector<std::string>* cookies);
   virtual int GetResponseCode();
   virtual bool GetContentEncodings(
       std::vector<Filter::FilterType>* encoding_type);
   virtual bool IsSdchResponse() const;
   virtual bool IsRedirectResponse(GURL* location, int* http_status_code);
   virtual bool IsSafeRedirect(const GURL& location);
   virtual bool NeedsAuth();
@@ skipping 34 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_