Add buffering to MimeSniffingResourceHandler.

content/browser/loader/redirect_to_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_LOADER_REDIRECT_TO_FILE_RESOURCE_HANDLER_H_
 #define CONTENT_BROWSER_LOADER_REDIRECT_TO_FILE_RESOURCE_HANDLER_H_
 
 #include <memory>
 
 #include "base/callback.h"
@@ skipping 77 matching lines @@
   // Called by RedirectToFileResourceHandler::Writer.
   void DidWriteToFile(int result);
 
   // Attempts to write more data to the file, if possible. Returns false on
   // error. Returns true if there's already a write in progress, all data was
   // written successfully, or a new write was started that will complete
   // asynchronously. Resumes the request if there's more data to read and more
   // buffer space available.
   bool WriteMore();
 
-  bool BufIsFull() const;
-
   CreateTemporaryFileStreamFunction create_temporary_file_stream_;
 
   // We allocate a single, fixed-size IO buffer (buf_) used to read from the
   // network (buf_write_pending_ is true while the system is copying data into
   // buf_), and then write this buffer out to disk (write_callback_pending_ is
   // true while writing to disk).  Reading from the network is suspended while
   // the buffer is full (BufIsFull returns true).  The write_cursor_ member
   // tracks the offset into buf_ that we are writing to disk.
 
   scoped_refptr<net::GrowableIOBuffer> buf_;
@@ skipping 18 matching lines @@
   net::URLRequestStatus completed_status_;
 
   base::WeakPtrFactory<RedirectToFileResourceHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RedirectToFileResourceHandler);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_REDIRECT_TO_FILE_RESOURCE_HANDLER_H_