Deprecate FLAGS_quic_enable_version_35.

net/quic/core/quic_versions.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/quic/core/quic_versions.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "net/quic/core/quic_flags.h"
 #include "net/quic/core/quic_tag.h"
@@ skipping 17 matching lines @@
 }
 
 QuicVersionVector CurrentSupportedVersions() {
   return FilterSupportedVersions(AllSupportedVersions());
 }
 
 QuicVersionVector FilterSupportedVersions(QuicVersionVector versions) {
   QuicVersionVector filtered_versions(versions.size());
   filtered_versions.clear();  // Guaranteed by spec not to change capacity.
   for (QuicVersion version : versions) {
-    if (version == QUIC_VERSION_35) {
-      if (FLAGS_quic_enable_version_35) {
-        filtered_versions.push_back(version);
-      }
-    } else if (version == QUIC_VERSION_36) {
-      if (FLAGS_quic_enable_version_35 && FLAGS_quic_enable_version_36_v2) {
+    if (version == QUIC_VERSION_36) {
+      if (FLAGS_quic_enable_version_36_v2) {
         filtered_versions.push_back(version);
       }
     } else {
       filtered_versions.push_back(version);
     }
   }
   return filtered_versions;
 }
 
 QuicVersionVector VersionOfIndex(const QuicVersionVector& versions, int index) {
@@ skipping 53 matching lines @@
   for (size_t i = 0; i < versions.size(); ++i) {
     if (i != 0) {
       result.append(",");
     }
     result.append(QuicVersionToString(versions[i]));
   }
   return result;
 }
 
 }  // namespace net