Unify the QUIC client classes.

net/tools/quic/quic_spdy_client_stream.cc

 // 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.
 
 #include "net/tools/quic/quic_spdy_client_stream.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "net/quic/spdy_utils.h"
@@ skipping 82 matching lines @@
   size_t end = status.find(" ");
   if (end != string::npos) {
     status.erase(end);
   }
   if (!StringToInt(status, &response_code_)) {
     return false;  // Invalid response code.
   }
   return true;
 }
 
-ssize_t QuicSpdyClientStream::SendRequest(const SpdyHeaderBlock& headers,
-                                          StringPiece body,
-                                          bool fin) {
+size_t QuicSpdyClientStream::SendRequest(const SpdyHeaderBlock& headers,
+                                         StringPiece body,
+                                         bool fin) {
   bool send_fin_with_headers = fin && body.empty();
   size_t bytes_sent = body.size();
   header_bytes_written_ =
       WriteHeaders(headers, send_fin_with_headers, nullptr);
   bytes_sent += header_bytes_written_;
 
   if (!body.empty()) {
     WriteOrBufferData(body, fin, nullptr);
   }
 
   return bytes_sent;
 }
 
 void QuicSpdyClientStream::SendBody(const string& data, bool fin) {
   SendBody(data, fin, nullptr);
 }
 
 void QuicSpdyClientStream::SendBody(
     const string& data, bool fin,
     QuicAckNotifier::DelegateInterface* delegate) {
   WriteOrBufferData(data, fin, delegate);
 }
 
 }  // namespace tools
 }  // namespace net