deprecate -FLAGS_quic_reloadable_flag_quic_disable_version_34 and remove support for QUIC v34.

net/quic/core/quic_headers_stream_test.cc

 // Copyright 2013 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.
 
 #include "net/quic/core/quic_headers_stream.h"
 
 #include <cstdint>
 #include <ostream>
 #include <string>
 #include <tuple>
@@ skipping 521 matching lines @@
   SpdySerializedFrame frame(framer_->SerializeFrame(data));
   stream_frame_.data_buffer = frame.data();
   stream_frame_.data_length = frame.size();
   if (perspective() == Perspective::IS_CLIENT) {
     EXPECT_CALL(
         *connection_,
         CloseConnection(QUIC_INVALID_HEADERS_STREAM_DATA,
                         "Unsupported field of HTTP/2 SETTINGS frame: 2", _));
   }
   headers_stream_->OnStreamFrame(stream_frame_);
-  EXPECT_EQ(
-      session_.server_push_enabled(),
-      (perspective() == Perspective::IS_CLIENT && version() > QUIC_VERSION_34));
+  EXPECT_EQ(session_.server_push_enabled(),
+            perspective() == Perspective::IS_CLIENT);
 }
 
 TEST_P(QuicHeadersStreamTest, EmptyHeaderHOLBlockedTime) {
   EXPECT_CALL(session_, OnHeadersHeadOfLineBlocking(_)).Times(0);
   InSequence seq;
   bool fin = true;
   for (int stream_num = 0; stream_num < 10; stream_num++) {
     QuicStreamId stream_id = QuicClientDataStreamId(stream_num);
     // Replace with "WriteHeadersAndSaveData"
     SpdySerializedFrame frame;
@@ skipping 477 matching lines @@
   consumed_data = session_.WritevStreamData(id, MakeIOVector(data, &iov),
                                             offset, fin, nullptr);
 
   EXPECT_EQ(consumed_data.bytes_consumed, 0u);
   EXPECT_EQ(consumed_data.fin_consumed, false);
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net