Clean up ResourceHandler API.

content/browser/loader/certificate_resource_handler.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_LOADER_CERTIFICATE_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_LOADER_CERTIFICATE_RESOURCE_HANDLER_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 38 matching lines @@
                                  ResourceResponse* resp,
                                  bool* defer) OVERRIDE;
 
   // Pass-through implementation.
   virtual bool OnWillStart(int request_id,
                            const GURL& url,
                            bool* defer) OVERRIDE;
 
   // Create a new buffer to store received data.
   virtual bool OnWillRead(int request_id,
-                          net::IOBuffer** buf,
+                          scoped_refptr<net::IOBuffer>* buf,
                           int* buf_size,
                           int min_size) OVERRIDE;
 
   // A read was completed, maybe allocate a new buffer for further data.
   virtual bool OnReadCompleted(int request_id,
                                int bytes_read,
                                bool* defer) OVERRIDE;
 
   // Done downloading the certificate.
   virtual bool OnResponseCompleted(int request_id,
                                    const net::URLRequestStatus& urs,
                                    const std::string& sec_info) OVERRIDE;
 
   // N/A to cert downloading.
   virtual void OnDataDownloaded(int request_id, int bytes_downloaded) OVERRIDE;
 
  private:
   typedef std::vector<std::pair<scoped_refptr<net::IOBuffer>,
                                 size_t> > ContentVector;
 
   void AssembleResource();
 
   GURL url_;
-  net::URLRequest* request_;
   size_t content_length_;
   ContentVector buffer_;
   scoped_refptr<net::IOBuffer> read_buffer_;
   scoped_refptr<net::IOBuffer> resource_buffer_;  // Downloaded certificate.
   net::CertificateMimeType cert_type_;
   DISALLOW_COPY_AND_ASSIGN(CertificateResourceHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_CERTIFICATE_RESOURCE_HANDLER_H_