HttpChunkedDecoder: Support chunks longer than 2^31-1 bytes.

net/http/http_chunked_decoder.h

 // Copyright (c) 2011 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.
 
 // Derived from:
 //   mozilla/netwerk/protocol/http/src/nsHttpChunkedDecoder.h
 // The license block is:
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
@@ skipping 28 matching lines @@
  * and other provisions required by the GPL or the LGPL. If you do not delete
  * the provisions above, a recipient may use your version of this file under
  * the terms of any one of the MPL, the GPL or the LGPL.
  *
  * ***** END LICENSE BLOCK ***** */
 
 #ifndef NET_HTTP_HTTP_CHUNKED_DECODER_H_
 #define NET_HTTP_HTTP_CHUNKED_DECODER_H_
 
 #include <stddef.h>
+#include <stdint.h>
 
 #include <string>
 
 #include "net/base/net_export.h"
 
 namespace net {
 
 // From RFC2617 section 3.6.1, the chunked transfer coding is defined as:
 //
 //   Chunked-Body    = *chunk
@@ skipping 41 matching lines @@
 
  private:
   // Scans |buf| for the next chunk delimiter.  This method returns the number
   // of bytes consumed from |buf|.  If found, |chunk_remaining_| holds the
   // value for the next chunk size.
   int ScanForChunkRemaining(const char* buf, int buf_len);
 
   // Converts string |start| of length |len| to a numeric value.
   // |start| is a string of type "chunk-size" (hex string).
   // If the conversion succeeds, returns true and places the result in |out|.
-  static bool ParseChunkSize(const char* start, int len, int* out);
+  static bool ParseChunkSize(const char* start, int len, int64_t* out);
 
   // Indicates the number of bytes remaining for the current chunk.
-  int chunk_remaining_;
+  int64_t chunk_remaining_;
 
   // A small buffer used to store a partial chunk marker.
   std::string line_buf_;
 
   // True if waiting for the terminal CRLF of a chunk's data.
   bool chunk_terminator_remaining_;
 
   // Set to true when FilterBuf encounters the last-chunk.
   bool reached_last_chunk_;
 
   // Set to true when FilterBuf encounters the final CRLF.
   bool reached_eof_;
 
   // The number of extraneous unfiltered bytes after the final CRLF.
   int bytes_after_eof_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_CHUNKED_DECODER_H_