Remove unused BidirectionalStream::SendData() method and implementations.

net/quic/chromium/bidirectional_stream_quic_impl.h

 // Copyright 2016 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_QUIC_CHROMIUM_BIDIRECTIONAL_STREAM_QUIC_IMPL_H_
 #define NET_QUIC_CHROMIUM_BIDIRECTIONAL_STREAM_QUIC_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 27 matching lines @@
   ~BidirectionalStreamQuicImpl() override;
 
   // BidirectionalStreamImpl implementation:
   void Start(const BidirectionalStreamRequestInfo* request_info,
              const NetLogWithSource& net_log,
              bool send_request_headers_automatically,
              BidirectionalStreamImpl::Delegate* delegate,
              std::unique_ptr<base::Timer> timer) override;
   void SendRequestHeaders() override;
   int ReadData(IOBuffer* buffer, int buffer_len) override;
-  void SendData(const scoped_refptr<IOBuffer>& data,
-                int length,
-                bool end_stream) override;
   void SendvData(const std::vector<scoped_refptr<IOBuffer>>& buffers,
                  const std::vector<int>& lengths,
                  bool end_stream) override;
   NextProto GetProtocol() const override;
   int64_t GetTotalReceivedBytes() const override;
   int64_t GetTotalSentBytes() const override;
   bool GetLoadTimingInfo(LoadTimingInfo* load_timing_info) const override;
 
  private:
   // QuicChromiumClientStream::Delegate implementation:
@@ skipping 74 matching lines @@
   bool may_invoke_callbacks_;
 
   base::WeakPtrFactory<BidirectionalStreamQuicImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BidirectionalStreamQuicImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CHROMIUM_BIDIRECTIONAL_STREAM_QUIC_IMPL_H_