Revert 227318 "Clean up ResourceHandler API."

trunk/src/content/browser/download/save_file_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_DOWNLOAD_SAVE_FILE_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_DOWNLOAD_SAVE_FILE_RESOURCE_HANDLER_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 30 matching lines @@
                                  bool* defer) OVERRIDE;
 
   // Pass-through implementation.
   virtual bool OnWillStart(int request_id,
                            const GURL& url,
                            bool* defer) OVERRIDE;
 
   // Creates a new buffer, which will be handed to the download thread for file
   // writing and deletion.
   virtual bool OnWillRead(int request_id,
-                          scoped_refptr<net::IOBuffer>* buf,
+                          net::IOBuffer** buf,
                           int* buf_size,
                           int min_size) OVERRIDE;
 
   // Passes the buffer to the download file writer.
   virtual bool OnReadCompleted(int request_id, int bytes_read,
                                bool* defer) OVERRIDE;
 
   virtual bool OnResponseCompleted(int request_id,
                                    const net::URLRequestStatus& status,
                                    const std::string& security_info) OVERRIDE;
@@ skipping 22 matching lines @@
   SaveFileManager* save_manager_;
 
   static const int kReadBufSize = 32768;  // bytes
 
   DISALLOW_COPY_AND_ASSIGN(SaveFileResourceHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_SAVE_FILE_RESOURCE_HANDLER_H_