Unify the QUIC client classes.

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 22 matching lines @@
 
   // Override the base class to store the size of the headers.
   void OnStreamHeadersComplete(bool fin, size_t frame_len) override;
 
   // ReliableQuicStream implementation called by the session when there's
   // data for us.
   uint32 ProcessData(const char* data, uint32 data_len) override;
 
   // Serializes the headers and body, sends it to the server, and
   // returns the number of bytes sent.
-  ssize_t SendRequest(const SpdyHeaderBlock& headers,
-                      base::StringPiece body,
-                      bool fin);
+  size_t SendRequest(const SpdyHeaderBlock& headers,
+                     base::StringPiece body,
+                     bool fin);
 
   // Sends body data to the server, or buffers if it can't be sent immediately.
   void SendBody(const std::string& data, bool fin);
   // As above, but |delegate| will be notified once |data| is ACKed.
   void SendBody(const std::string& data,
                 bool fin,
                 QuicAckNotifier::DelegateInterface* delegate);
 
   // Returns the response data.
   const std::string& data() { return data_; }
@@ skipping 23 matching lines @@
   size_t header_bytes_read_;
   size_t header_bytes_written_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicSpdyClientStream);
 };
 
 }  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_SPDY_CLIENT_STREAM_H_