Remove SSL 2.0 support.

net/base/ssl_config_service_mac.h

 // 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.
 
 #ifndef NET_BASE_SSL_CONFIG_SERVICE_MAC_H_
 #define NET_BASE_SSL_CONFIG_SERVICE_MAC_H_
 #pragma once
 
 #include "base/time.h"
 #include "net/base/ssl_config_service.h"
 
 namespace net {
 
 // This class is responsible for getting and setting the SSL configuration on
 // Mac OS X.
 class SSLConfigServiceMac : public SSLConfigService {
  public:
   SSLConfigServiceMac();
   explicit SSLConfigServiceMac(base::TimeTicks now);  // Used for testing.
 
   // Get the current SSL configuration settings.  Can be called on any
   // thread.
   static bool GetSSLConfigNow(SSLConfig* config);
 
   // Setters.  Can be called on any thread.
   static void SetRevCheckingEnabled(bool enabled);
-  static void SetSSL2Enabled(bool enabled);
   static void SetSSL3Enabled(bool enabled);
   static void SetTLS1Enabled(bool enabled);
 
   // Get the (cached) SSL configuration settings that are fresh within 10
   // seconds.  This is cheaper than GetSSLConfigNow and is suitable when
   // we don't need the absolutely current configuration settings.  This
   // method is not thread-safe, so it must be called on the same thread.
   void GetSSLConfig(SSLConfig* config) {
     GetSSLConfigAt(config, base::TimeTicks::Now());
   }
@@ skipping 10 matching lines @@
   SSLConfig config_info_;
   base::TimeTicks config_time_;
   bool ever_updated_;
 
   DISALLOW_COPY_AND_ASSIGN(SSLConfigServiceMac);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_SSL_CONFIG_SERVICE_MAC_H_