Remove net::BidirectionalStream::Cancel

net/http/bidirectional_stream.h

 // Copyright 2015 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 NET_HTTP_BIDIRECTIONAL_STREAM_H_
 #define NET_HTTP_BIDIRECTIONAL_STREAM_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 136 matching lines @@
   // flag.
   void SendData(const scoped_refptr<IOBuffer>& data,
                 int length,
                 bool end_stream);
 
   // Same as SendData except this takes in a vector of IOBuffers.
   void SendvData(const std::vector<scoped_refptr<IOBuffer>>& buffers,
                  const std::vector<int>& lengths,
                  bool end_stream);
 
-  // If |stream_request_| is non-NULL, cancel it. If |stream_impl_| is
-  // established, cancel it. No delegate method will be called after Cancel().
-  // Any pending operations may or may not succeed.
-  void Cancel();
-
   // Returns the protocol used by this stream. If stream has not been
   // established, return kProtoUnknown.
   NextProto GetProtocol() const;
 
   // Total number of bytes received over the network of SPDY data, headers, and
   // push_promise frames associated with this stream, including the size of
   // frame headers, after SSL decryption and not including proxy overhead.
   // If stream has not been established, return 0.
   int64_t GetTotalReceivedBytes() const;
 
@@ skipping 77 matching lines @@
   std::vector<int> write_buffer_len_list_;
 
   base::WeakPtrFactory<BidirectionalStream> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BidirectionalStream);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_BIDIRECTIONAL_STREAM_H_