Make ReliableQuicStream::Write use base::StringPiece, not std::string

webrtc/p2p/quic/reliablequicstream.cc

 /*
  *  Copyright 2016 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 25 matching lines @@
 
 void ReliableQuicStream::OnClose() {
   net::ReliableQuicStream::OnClose();
   SignalClosed(id(), connection_error());
 }
 
 rtc::StreamResult ReliableQuicStream::Write(const char* data,
                                             size_t len,
                                             bool fin) {
   // Writes the data, or buffers it.
-  WriteOrBufferData(std::string(data, len), fin, nullptr);
+  WriteOrBufferData(base::StringPiece(data, len), fin, nullptr);
   if (HasBufferedData()) {
     return rtc::StreamResult(rtc::SR_BLOCK);
   }
   return rtc::StreamResult(rtc::SR_SUCCESS);
 }
 
 void ReliableQuicStream::Close() {
   net::ReliableQuicStream::session()->CloseStream(id());
 }
 
 void ReliableQuicStream::OnCanWrite() {
   uint64_t prev_queued_bytes = queued_data_bytes();
   net::ReliableQuicStream::OnCanWrite();
   uint64_t queued_bytes_written = prev_queued_bytes - queued_data_bytes();
   SignalQueuedBytesWritten(id(), queued_bytes_written);
 }
 
 }  // namespace cricket