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

net/spdy/spdy_http_stream.h

Index: net/spdy/spdy_http_stream.h
diff --git a/net/spdy/spdy_http_stream.h b/net/spdy/spdy_http_stream.h
index 25d60e352fc74df2abd71d2d2936b32137ead013..bd3cd282dd6c119a070aed1bafcdffe253cba1ba 100644
--- a/net/spdy/spdy_http_stream.h
+++ b/net/spdy/spdy_http_stream.h
@@ -96,6 +96,9 @@ class NET_EXPORT_PRIVATE SpdyHttpStream : public SpdyStream::Delegate,
   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;