Remove net::BidirectionalStream::Cancel

net/http/bidirectional_stream_impl.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_IMPL_H_
 #define NET_HTTP_BIDIRECTIONAL_STREAM_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 117 matching lines @@
   // Delegate::OnDataSent is invoked. If |end_stream| is true, the DATA frame
   // will have an END_STREAM flag.
   virtual void SendData(const scoped_refptr<IOBuffer>& data,
                         int length,
                         bool end_stream) = 0;
 
   virtual void SendvData(const std::vector<scoped_refptr<IOBuffer>>& buffers,
                          const std::vector<int>& lengths,
                          bool end_stream) = 0;
 
-  // Cancels the stream. No Delegate method will be called. Any pending
-  // operations may or may not succeed.
-  virtual void Cancel() = 0;
-
   // Returns the protocol used by this stream. If stream has not been
   // established, return kProtoUnknown.
   virtual NextProto GetProtocol() const = 0;
 
   // 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.
   virtual int64_t GetTotalReceivedBytes() const = 0;
 
   // Total number of bytes sent over the network of SPDY frames associated with
   // this stream, including the size of frame headers, before SSL encryption and
   // not including proxy overhead. Note that some SPDY frames such as pings are
   // not associated with any stream, and are not included in this value.
   virtual int64_t GetTotalSentBytes() const = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BidirectionalStreamImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_BIDIRECTIONAL_STREAM_IMPL_H_