Deletes dead code.

net/quic/core/quic_spdy_session.cc

Index: net/quic/core/quic_spdy_session.cc
diff --git a/net/quic/core/quic_spdy_session.cc b/net/quic/core/quic_spdy_session.cc
index 36524fb2df4449afd30e68903b0773d188ace5dd..b14df0f663a7454de9f1308dfda789a47c446d55 100644
--- a/net/quic/core/quic_spdy_session.cc
+++ b/net/quic/core/quic_spdy_session.cc
@@ -46,16 +46,6 @@ void QuicSpdySession::Initialize() {
   static_streams()[kHeadersStreamId] = headers_stream_.get();
 }
 
-void QuicSpdySession::OnStreamHeaders(QuicStreamId stream_id,
-                                      StringPiece headers_data) {
-  QuicSpdyStream* stream = GetSpdyDataStream(stream_id);
-  if (!stream) {
-    // It's quite possible to receive headers after a stream has been reset.
-    return;
-  }
-  stream->OnStreamHeaders(headers_data);
-}
-
 void QuicSpdySession::OnStreamHeadersPriority(QuicStreamId stream_id,
                                               SpdyPriority priority) {
   QuicSpdyStream* stream = GetSpdyDataStream(stream_id);
@@ -66,17 +56,6 @@ void QuicSpdySession::OnStreamHeadersPriority(QuicStreamId stream_id,
   stream->OnStreamHeadersPriority(priority);
 }
 
-void QuicSpdySession::OnStreamHeadersComplete(QuicStreamId stream_id,
-                                              bool fin,
-                                              size_t frame_len) {
-  QuicSpdyStream* stream = GetSpdyDataStream(stream_id);
-  if (!stream) {
-    // It's quite possible to receive headers after a stream has been reset.
-    return;
-  }
-  stream->OnStreamHeadersComplete(fin, frame_len);
-}
-
 void QuicSpdySession::OnStreamHeaderList(QuicStreamId stream_id,
                                          bool fin,
                                          size_t frame_len,
@@ -122,23 +101,6 @@ QuicSpdyStream* QuicSpdySession::GetSpdyDataStream(
   return static_cast<QuicSpdyStream*>(GetOrCreateDynamicStream(stream_id));
 }
 
-void QuicSpdySession::OnPromiseHeaders(QuicStreamId stream_id,
-                                       StringPiece headers_data) {
-  string error = "OnPromiseHeaders should be overriden in client code.";
-  QUIC_BUG << error;
-  connection()->CloseConnection(QUIC_INTERNAL_ERROR, error,
-                                ConnectionCloseBehavior::SILENT_CLOSE);
-}
-
-void QuicSpdySession::OnPromiseHeadersComplete(QuicStreamId stream_id,
-                                               QuicStreamId promised_stream_id,
-                                               size_t frame_len) {
-  string error = "OnPromiseHeadersComplete should be overriden in client code.";
-  QUIC_BUG << error;
-  connection()->CloseConnection(QUIC_INTERNAL_ERROR, error,
-                                ConnectionCloseBehavior::SILENT_CLOSE);
-}
-
 void QuicSpdySession::OnPromiseHeaderList(QuicStreamId stream_id,
                                           QuicStreamId promised_stream_id,
                                           size_t frame_len,