Remove SSL 2.0 support.

net/base/ssl_config_service.cc

 // Copyright (c) 2010 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/base/ssl_config_service.h"
 #include "net/base/ssl_false_start_blacklist.h"
 
 #if defined(OS_WIN)
 #include "net/base/ssl_config_service_win.h"
 #elif defined(OS_MACOSX)
 #include "net/base/ssl_config_service_mac.h"
 #else
 #include "net/base/ssl_config_service_defaults.h"
 #endif
 
 namespace net {
 
 SSLConfig::CertAndStatus::CertAndStatus() : cert_status(0) {}
 
 SSLConfig::CertAndStatus::~CertAndStatus() {}
 
 SSLConfig::SSLConfig()
-    : rev_checking_enabled(true),  ssl2_enabled(false), ssl3_enabled(true),
+    : rev_checking_enabled(true), ssl3_enabled(true),
       tls1_enabled(true), dnssec_enabled(false), snap_start_enabled(false),
       dns_cert_provenance_checking_enabled(false),
       mitm_proxies_allowed(false), false_start_enabled(true),
       send_client_cert(false), verify_ev_cert(false), ssl3_fallback(false) {
 }
 
 SSLConfig::~SSLConfig() {
 }
 
 bool SSLConfig::IsAllowedBadCert(X509Certificate* cert) const {
@@ skipping 128 matching lines @@
   observer_list_.AddObserver(observer);
 }
 
 void SSLConfigService::RemoveObserver(Observer* observer) {
   observer_list_.RemoveObserver(observer);
 }
 
 void SSLConfigService::ProcessConfigUpdate(const SSLConfig& orig_config,
                                            const SSLConfig& new_config) {
   if (orig_config.rev_checking_enabled != new_config.rev_checking_enabled ||
-      orig_config.ssl2_enabled != new_config.ssl2_enabled ||
       orig_config.ssl3_enabled != new_config.ssl3_enabled ||
       orig_config.tls1_enabled != new_config.tls1_enabled) {
     FOR_EACH_OBSERVER(Observer, observer_list_, OnSSLConfigChanged());
   }
 }
 
 }  // namespace net