Deprecate --gfe2_reloadable_flag_quic_supports_trailers

net/tools/quic/end_to_end_test.cc

 // Copyright (c) 2012 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 <stddef.h>
 #include <sys/epoll.h>
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 2135 matching lines @@
   // (This is OK despite already waiting for a response.)
   client_->WaitForResponse();
   // There should be no buffered data to write in the client's stream.
   ReliableQuicStream* stream =
       client_->client()->session()->GetStream(kClientDataStreamId1);
   EXPECT_FALSE(stream != nullptr && stream->HasBufferedData());
 }
 
 TEST_P(EndToEndTest, Trailers) {
   // Test sending and receiving HTTP/2 Trailers (trailing HEADERS frames).
-  ValueRestore<bool> old_flag(&FLAGS_quic_supports_trailers, true);
   ASSERT_TRUE(Initialize());
   client_->client()->WaitForCryptoHandshakeConfirmed();
 
   // Set reordering to ensure that Trailers arriving before body is ok.
   SetPacketSendDelay(QuicTime::Delta::FromMilliseconds(2));
   SetReorderPercentage(30);
 
   // Add a response with headers, body, and trailers.
   const string kBody = "body content";
 
@@ skipping 259 matching lines @@
   // sending requests for them.
   EXPECT_EQ(1u, client_->num_requests());
   // Including response to original request, 12 responses in total were
   // recieved.
   EXPECT_EQ(12u, client_->num_responses());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net