Merge ReliableQuicStream::WriteData with

net/tools/quic/quic_spdy_client_stream.h

Index: net/tools/quic/quic_spdy_client_stream.h
diff --git a/net/tools/quic/quic_spdy_client_stream.h b/net/tools/quic/quic_spdy_client_stream.h
index eeca45002e87291fe2643c4f820930e721fb02d0..638a9de1e2fc22b8737de8a028a67bf23d4b3423 100644
--- a/net/tools/quic/quic_spdy_client_stream.h
+++ b/net/tools/quic/quic_spdy_client_stream.h
@@ -45,8 +45,8 @@ class QuicSpdyClientStream : public ReliableQuicStream {
                               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_; }