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

chrome/common/net/url_request_intercept_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.
 //
 // This job type handles Chrome plugin network interception.  When a plugin
 // wants to intercept a request, a job of this type is created.  The intercept
 // job communicates with the plugin to retrieve the response headers and data.
 
 #include "chrome/common/net/url_request_intercept_job.h"
 
@@ skipping 78 matching lines @@
     read_buffer_size_ = dest_size;
     SetStatus(URLRequestStatus(URLRequestStatus::IO_PENDING, 0));
   } else {
     // TODO(mpcomplete): better error code
     NotifyDone(URLRequestStatus(URLRequestStatus::FAILED, net::ERR_FAILED));
   }
 
   return false;
 }
 
-bool URLRequestInterceptJob::GetMimeType(std::string* mime_type) {
+bool URLRequestInterceptJob::GetMimeType(std::string* mime_type) const {
   return request_->response_headers()->GetMimeType(mime_type);
 }
 
 bool URLRequestInterceptJob::GetCharset(std::string* charset) {
   return request_->response_headers()->GetCharset(charset);
 }
 
 bool URLRequestInterceptJob::GetContentEncoding(std::string* encoding_type) {
   // TODO(darin): what if there are multiple content encodings?
   return request_->response_headers()->EnumerateHeader(NULL, "Content-Encoding",
@@ skipping 96 matching lines @@
 }
 
 void URLRequestInterceptJob::Observe(NotificationType type,
                                      const NotificationSource& source,
                                      const NotificationDetails& details) {
   DCHECK(type == NotificationType::CHROME_PLUGIN_UNLOADED);
   DCHECK(plugin_ == Source<ChromePluginLib>(source).ptr());
 
   DetachPlugin();
 }