Deprecate FLAGS_quic_reloadable_flag_enable_async_get_proof

net/tools/quic/quic_dispatcher_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 "net/tools/quic/quic_dispatcher.h"
 
 #include <memory>
 #include <ostream>
 #include <string>
 
@@ skipping 1593 matching lines @@
 // Test which exercises the async GetProof codepaths, especially in the context
 // of stateless rejection.
 class AsyncGetProofTest : public QuicDispatcherTest {
  public:
   AsyncGetProofTest()
       : QuicDispatcherTest(
             std::unique_ptr<FakeProofSource>(new FakeProofSource())),
         client_addr_(QuicIpAddress::Loopback4(), 1234),
         crypto_config_peer_(&crypto_config_),
         signed_config_(new QuicSignedServerConfig) {
-    FLAGS_quic_reloadable_flag_enable_async_get_proof = true;
     FLAGS_quic_reloadable_flag_enable_quic_stateless_reject_support = true;
     FLAGS_quic_reloadable_flag_quic_use_cheap_stateless_rejects = true;
     FLAGS_quic_reloadable_flag_quic_create_session_after_insertion = true;
   }
 
   void SetUp() override {
     QuicDispatcherTest::SetUp();
 
     clock_ = QuicDispatcherPeer::GetHelper(dispatcher_.get())->GetClock();
     QuicVersion version = AllSupportedVersions().front();
@@ skipping 458 matching lines @@
   check.Call(2);
   GetFakeProofSource()->InvokePendingCallback(0);
   ASSERT_EQ(GetFakeProofSource()->NumPendingCallbacks(), 0);
   EXPECT_FALSE(store->HasBufferedPackets(conn_id));
   EXPECT_FALSE(time_wait_list_manager_->IsConnectionIdInTimeWait(conn_id));
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net