Introduce error handling in SpdyHttpStream on UploadDataStream::Read() failure.

net/spdy/spdy_http_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_SPDY_SPDY_HTTP_STREAM_H_
 #define NET_SPDY_SPDY_HTTP_STREAM_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 78 matching lines @@
   // SpdyStream::Delegate implementation.
   void OnRequestHeadersSent() override;
   SpdyResponseHeadersStatus OnResponseHeadersUpdated(
       const SpdyHeaderBlock& response_headers) override;
   void OnDataReceived(std::unique_ptr<SpdyBuffer> buffer) override;
   void OnDataSent() override;
   void OnTrailers(const SpdyHeaderBlock& trailers) override;
   void OnClose(int status) override;
 
  private:
+  // Helper function used for resetting stream from inside the stream.
+  void ResetStreamInternal();
+
   // Must be called only when |request_info_| is non-NULL.
   bool HasUploadData() const;
 
   void OnStreamCreated(const CompletionCallback& callback, int rv);
 
   // Reads the remaining data (whether chunked or not) from the
   // request body stream and sends it if there's any. The read and
   // subsequent sending may happen asynchronously. Must be called only
   // when HasUploadData() is true.
   void ReadAndSendRequestBodyData();
@@ skipping 69 matching lines @@
   bool direct_;
 
   base::WeakPtrFactory<SpdyHttpStream> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SpdyHttpStream);
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_SPDY_HTTP_STREAM_H_