chromeos: Remove unused CrosAddIPConfig/CrosRemoveIPConfig functions

chromeos/dbus/shill_ipconfig_client.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 CHROMEOS_DBUS_SHILL_IPCONFIG_CLIENT_H_
 #define CHROMEOS_DBUS_SHILL_IPCONFIG_CLIENT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 74 matching lines @@
   // |callback| is called after the method call succeeds.
   virtual void ClearProperty(const dbus::ObjectPath& ipconfig_path,
                              const std::string& name,
                              const VoidDBusMethodCallback& callback) = 0;
 
   // Calls Remove method.
   // |callback| is called after the method call succeeds.
   virtual void Remove(const dbus::ObjectPath& ipconfig_path,
                       const VoidDBusMethodCallback& callback) = 0;
 
-  // DEPRECATED DO NOT USE: Calls Remove method and blocks until the method call
-  // finishes.
-  //
-  // TODO(hashimoto): Refactor CrosRemoveIPConfig to remove this method.
-  // crosbug.com/29902
-  virtual bool CallRemoveAndBlock(const dbus::ObjectPath& ipconfig_path) = 0;
-
  protected:
   // Create() should be used instead.
   ShillIPConfigClient();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ShillIPConfigClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_SHILL_IPCONFIG_CLIENT_H_