Create a QuicChromiumClientStream::Handle class for allowing a stream

net/quic/chromium/bidirectional_stream_quic_impl.h

 // Copyright 2016 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_QUIC_CHROMIUM_BIDIRECTIONAL_STREAM_QUIC_IMPL_H_
 #define NET_QUIC_CHROMIUM_BIDIRECTIONAL_STREAM_QUIC_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 60 matching lines @@
   void OnReadDataComplete(int rv);
 
   // Notifies the delegate of an error.
   void NotifyError(int error);
   // Notifies the delegate that the stream is ready.
   void NotifyStreamReady();
   // Resets the stream and ensures that |delegate_| won't be called back.
   void ResetStream();
 
   const std::unique_ptr<QuicChromiumClientSession::Handle> session_;
-  QuicChromiumClientStream* stream_;  // Non-owning.
+  std::unique_ptr<QuicChromiumClientStream::Handle> stream_;
 
   const BidirectionalStreamRequestInfo* request_info_;
   BidirectionalStreamImpl::Delegate* delegate_;
   // Saves the response status if the stream is explicitly closed via OnError
   // or OnClose with an error. Once all buffered data has been returned, this
   // will be used as the final response.
   int response_status_;
 
   // The protocol that is negotiated.
   NextProto negotiated_protocol_;
@@ skipping 29 matching lines @@
   bool send_request_headers_automatically_;
 
   base::WeakPtrFactory<BidirectionalStreamQuicImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BidirectionalStreamQuicImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CHROMIUM_BIDIRECTIONAL_STREAM_QUIC_IMPL_H_