Clean up ResourceHandler API.

content/browser/loader/buffered_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_BUFFERED_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_LOADER_BUFFERED_RESOURCE_HANDLER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 19 matching lines @@
                           net::URLRequest* request);
   virtual ~BufferedResourceHandler();
 
  private:
   // ResourceHandler implementation:
   virtual void SetController(ResourceController* controller) OVERRIDE;
   virtual bool OnResponseStarted(int request_id,
                                  ResourceResponse* response,
                                  bool* defer) OVERRIDE;
   virtual bool OnWillRead(int request_id,
-                          net::IOBuffer** buf,
+                          scoped_refptr<net::IOBuffer>* buf,
                           int* buf_size,
                           int min_size) OVERRIDE;
   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;
 
   // ResourceController implementation:
   virtual void Resume() OVERRIDE;
@@ skipping 37 matching lines @@
     // OnReadCompleted) to the downstream ResourceHandler.
     STATE_REPLAYING,
 
     // In this state, we are just a blind pass-through ResourceHandler.
     STATE_STREAMING
   };
   State state_;
 
   scoped_refptr<ResourceResponse> response_;
   ResourceDispatcherHostImpl* host_;
-  net::URLRequest* request_;
   scoped_refptr<net::IOBuffer> read_buffer_;
   int read_buffer_size_;
   int bytes_read_;
 
   bool must_download_;
   bool must_download_is_set_;
 
   base::WeakPtrFactory<BufferedResourceHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BufferedResourceHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_BUFFERED_RESOURCE_HANDLER_H_