Deprecate FLAGS_quic_disable_pre_30. Remove QUIC versions [25-29].

net/quic/quic_server_session_base_test.cc

Index: net/quic/quic_server_session_base_test.cc
diff --git a/net/quic/quic_server_session_base_test.cc b/net/quic/quic_server_session_base_test.cc
index 0d40b471aef5e377efe5a9f39b6d2323835756bf..b41fdf8476cedadabe4219e9c8707e5d48145ffe 100644
--- a/net/quic/quic_server_session_base_test.cc
+++ b/net/quic/quic_server_session_base_test.cc
@@ -300,14 +300,8 @@ TEST_P(QuicServerSessionBaseTest, MaxOpenStreams) {
 
   // Now violate the server's internal stream limit.
   stream_id += 2;
-  if (connection_->version() <= QUIC_VERSION_27) {
-    EXPECT_CALL(*connection_,
-                CloseConnection(QUIC_TOO_MANY_OPEN_STREAMS, _, _));
-    EXPECT_CALL(*connection_, SendRstStream(_, _, _)).Times(0);
-  } else {
-    EXPECT_CALL(*connection_, CloseConnection(_, _, _)).Times(0);
-    EXPECT_CALL(*connection_, SendRstStream(stream_id, QUIC_REFUSED_STREAM, 0));
-  }
+  EXPECT_CALL(*connection_, CloseConnection(_, _, _)).Times(0);
+  EXPECT_CALL(*connection_, SendRstStream(stream_id, QUIC_REFUSED_STREAM, 0));
   // Even if the connection remains open, the stream creation should fail.
   EXPECT_FALSE(QuicServerSessionBasePeer::GetOrCreateDynamicStream(
       session_.get(), stream_id));