Clean up ResourceHandler API.

content/browser/loader/stream_resource_handler.h

 // Copyright (c) 2013 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_STREAM_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_LOADER_STREAM_RESOURCE_HANDLER_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/loader/resource_handler.h"
@@ skipping 33 matching lines @@
   virtual bool OnResponseStarted(int request_id,
                                  ResourceResponse* resp,
                                  bool* defer) OVERRIDE;
 
   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, forward the data to the Stream.
   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& sec_info) OVERRIDE;
 
   virtual void OnDataDownloaded(int request_id, int bytes_downloaded) OVERRIDE;
 
   Stream* stream() { return stream_.get(); }
 
  private:
   virtual void OnSpaceAvailable(Stream* stream) OVERRIDE;
   virtual void OnClose(Stream* stream) OVERRIDE;
 
-  net::URLRequest* request_;
   scoped_refptr<Stream> stream_;
   scoped_refptr<net::IOBuffer> read_buffer_;
   DISALLOW_COPY_AND_ASSIGN(StreamResourceHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_STREAM_RESOURCE_HANDLER_H_