Merge ReliableQuicStream::WriteData with

net/tools/quic/quic_spdy_client_stream.h

 // Copyright (c) 2012 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_TOOLS_QUIC_QUIC_SPDY_CLIENT_STREAM_H_
 #define NET_TOOLS_QUIC_QUIC_SPDY_CLIENT_STREAM_H_
 
 #include <sys/types.h>
 #include <string>
 
@@ skipping 27 matching lines @@
   virtual uint32 ProcessData(const char* data, uint32 data_len) OVERRIDE;
 
   virtual void OnFinRead() OVERRIDE;
 
   // Serializes the headers and body, sends it to the server, and
   // returns the number of bytes sent.
   virtual ssize_t SendRequest(const BalsaHeaders& headers,
                               base::StringPiece body,
                               bool fin);
 
-  // Sends body data to the server and returns the number of bytes sent.
-  virtual ssize_t SendBody(const std::string& data, bool fin);
+  // Sends body data to the server, or buffers if it can't be sent immediately.
+  virtual void SendBody(const std::string& data, bool fin);
 
   // Returns the response data.
   const std::string& data() { return data_; }
 
   // Returns whatever headers have been received for this stream.
   const BalsaHeaders& headers() { return headers_; }
 
   // While the server's set_priority shouldn't be called externally, the creator
   // of client-side streams should be able to set the priority.
   using ReliableQuicStream::set_priority;
 
  private:
   int ParseResponseHeaders();
 
   BalsaHeaders headers_;
   std::string data_;
 
   scoped_refptr<GrowableIOBuffer> read_buf_;
   bool response_headers_received_;
 };
 
 }  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_SPDY_CLIENT_STREAM_H_