[Net] Propagate priority changes from HttpNetworkTransaction to its stream

BUG=166689
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Review URL: https://codereview.chromium.org/19691003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@217596 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/net/quic/quic_http_stream.h b/net/quic/quic_http_stream.h
index 85dc553..cc2b973 100644
--- a/net/quic/quic_http_stream.h
+++ b/net/quic/quic_http_stream.h
@@ -54,6 +54,7 @@
       SSLCertRequestInfo* cert_request_info) OVERRIDE;
   virtual bool IsSpdyHttpStream() const OVERRIDE;
   virtual void Drain(HttpNetworkSession* session) OVERRIDE;
+  virtual void SetPriority(RequestPriority priority) OVERRIDE;
 
   // QuicReliableClientStream::Delegate implementation
   virtual int OnSendData() OVERRIDE;