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

chrome/browser/dom_ui/chrome_url_data_manager.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 "chrome/browser/dom_ui/chrome_url_data_manager.h"
 
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
@@ skipping 25 matching lines @@
 // calls back once the data is available.
 class URLRequestChromeJob : public URLRequestJob {
  public:
   explicit URLRequestChromeJob(URLRequest* request);
   virtual ~URLRequestChromeJob();
 
   // URLRequestJob implementation.
   virtual void Start();
   virtual void Kill();
   virtual bool ReadRawData(net::IOBuffer* buf, int buf_size, int *bytes_read);
-  virtual bool GetMimeType(std::string* mime_type);
+  virtual bool GetMimeType(std::string* mime_type) const;
 
   // Called by ChromeURLDataManager to notify us that the data blob is ready
   // for us.
   void DataAvailable(RefCountedBytes* bytes);
 
   void SetMimeType(const std::string& mime_type) {
     mime_type_ = mime_type;
   }
 
  private:
@@ skipping 214 matching lines @@
   // 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, &URLRequestChromeJob::StartAsync));
 }
 
 void URLRequestChromeJob::Kill() {
   chrome_url_data_manager.RemoveRequest(this);
 }
 
-bool URLRequestChromeJob::GetMimeType(std::string* mime_type) {
+bool URLRequestChromeJob::GetMimeType(std::string* mime_type) const {
   *mime_type = mime_type_;
   return !mime_type_.empty();
 }
 
 void URLRequestChromeJob::DataAvailable(RefCountedBytes* bytes) {
   if (bytes) {
     // The request completed, and we have all the data.
     // Clear any IO pending status.
     SetStatus(URLRequestStatus());
 
@@ skipping 49 matching lines @@
   }
 }
 
 URLRequestChromeFileJob::URLRequestChromeFileJob(URLRequest* request,
                                                  const FilePath& path)
     : URLRequestFileJob(request, path) {
 }
 
 URLRequestChromeFileJob::~URLRequestChromeFileJob() { }