Revert "TLS channel id field trial."

net/base/ssl_config_service.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 NET_BASE_SSL_CONFIG_SERVICE_H_
 #define NET_BASE_SSL_CONFIG_SERVICE_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 162 matching lines @@
   static void EnableCachedInfo();
   static bool cached_info_enabled();
 
   // Gets the default minimum protocol version.
   static uint16 default_version_min();
 
   // Sets and gets the default maximum protocol version.
   static void SetDefaultVersionMax(uint16 version_max);
   static uint16 default_version_max();
 
-  // Force channel ID support to be enabled.
-  static void EnableChannelIDTrial();
-
   // Is SNI available in this configuration?
   static bool IsSNIAvailable(SSLConfigService* service);
 
   // Add an observer of this service.
   void AddObserver(Observer* observer);
 
   // Remove an observer of this service.
   void RemoveObserver(Observer* observer);
 
  protected:
   friend class base::RefCountedThreadSafe<SSLConfigService>;
 
   virtual ~SSLConfigService();
 
   // SetFlags sets the values of several flags based on global configuration.
   static void SetSSLConfigFlags(SSLConfig* ssl_config);
 
   // Process before/after config update.
   void ProcessConfigUpdate(const SSLConfig& orig_config,
                            const SSLConfig& new_config);
 
  private:
   ObserverList<Observer> observer_list_;
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_SSL_CONFIG_SERVICE_H_