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

net/spdy/chromium/bidirectional_stream_spdy_impl_unittest.cc

 // 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.
 
 #include "net/spdy/chromium/bidirectional_stream_spdy_impl.h"
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
@@ skipping 121 matching lines @@
 
   void Start(const BidirectionalStreamRequestInfo* request,
              const NetLogWithSource& net_log) {
     stream_->Start(request, net_log,
                    /*send_request_headers_automatically=*/false, this,
                    base::MakeUnique<base::Timer>(false, false));
     not_expect_callback_ = false;
   }
 
   void SendData(IOBuffer* data, int length, bool end_of_stream) {
-    not_expect_callback_ = true;
-    stream_->SendData(data, length, end_of_stream);
-    not_expect_callback_ = false;
+    SendvData({data}, {length}, end_of_stream);
   }
 
   void SendvData(const std::vector<scoped_refptr<IOBuffer>>& data,
                  const std::vector<int>& length,
                  bool end_of_stream) {
     not_expect_callback_ = true;
     stream_->SendvData(data, length, end_of_stream);
     not_expect_callback_ = false;
   }
 
@@ skipping 357 matching lines @@
   } else {
     delegate->SendData(write_buffer.get(), write_buffer->size(), true);
   }
   base::RunLoop().RunUntilIdle();
   EXPECT_THAT(delegate->error(), IsError(ERR_UNEXPECTED));
   EXPECT_TRUE(delegate->on_failed_called());
   EXPECT_EQ(is_test_sendv ? 2 : 4, delegate->on_data_sent_count());
 }
 
 }  // namespace net