Add a new disable_insecure_quic finch parameter to disable insecure QUIC.

chrome/browser/io_thread.h

 // 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.
 
 #ifndef CHROME_BROWSER_IO_THREAD_H_
 #define CHROME_BROWSER_IO_THREAD_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 160 matching lines @@
     Optional<bool> enable_spdy_compression;
     Optional<bool> enable_spdy_ping_based_connection_checking;
     Optional<net::NextProto> spdy_default_protocol;
     net::NextProtoVector next_protos;
     Optional<std::string> trusted_spdy_proxy;
     std::set<net::HostPortPair> forced_spdy_exclusions;
     Optional<bool> use_alternate_protocols;
     Optional<double> alternative_service_probability_threshold;
 
     Optional<bool> enable_quic;
+    Optional<bool> disable_insecure_quic;
     Optional<bool> enable_quic_for_proxies;
     Optional<bool> enable_quic_port_selection;
     Optional<bool> quic_always_require_handshake_confirmation;
     Optional<bool> quic_disable_connection_pooling;
     Optional<float> quic_load_server_info_timeout_srtt_multiplier;
     Optional<bool> quic_enable_connection_racing;
     Optional<bool> quic_enable_non_blocking_io;
     Optional<bool> quic_disable_disk_cache;
     Optional<int> quic_max_number_of_lossy_connections;
     Optional<float> quic_packet_loss_threshold;
@@ skipping 135 matching lines @@
       base::StringPiece quic_trial_group,
       bool quic_allowed_by_policy);
 
   // Returns true if QUIC should be enabled for proxies, either as a result
   // of a field trial or a command line flag.
   static bool ShouldEnableQuicForProxies(
       const base::CommandLine& command_line,
       base::StringPiece quic_trial_group,
       bool quic_allowed_by_policy);
 
+  // Returns true if QUIC should be enabled, as a result of a field trial.

[ramant (doing other things), 2015/05/11 22:15:47]

overly nit: if QUIC  -> if QUIC for http (or if QUIC for insecure urls)??

[Ryan Hamilton, 2015/05/12 00:00:22]

Done.

+  static bool ShouldDisableInsecureQuic(
+      const VariationParameters& quic_trial_params);
+
   // Returns true if the selection of the ephemeral port in bind() should be
   // performed by Chromium, and false if the OS should select the port.  The OS
   // option is used to prevent Windows from posting a security security warning
   // dialog.
   static bool ShouldEnableQuicPortSelection(
       const base::CommandLine& command_line);
 
   // Returns true if QUIC packet pacing should be negotiated during the
   // QUIC handshake.
   static bool ShouldEnableQuicPacing(
@@ skipping 132 matching lines @@
   bool is_quic_allowed_by_policy_;
 
   const base::TimeTicks creation_time_;
 
   base::WeakPtrFactory<IOThread> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(IOThread);
 };
 
 #endif  // CHROME_BROWSER_IO_THREAD_H_