Remove Chrome's own version of libaddressinput in favor of the upstream.

third_party/libaddressinput/chromium/cpp/include/libaddressinput/load_rules_delegate.h

-// Copyright (C) 2013 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#ifndef I18N_ADDRESSINPUT_LOAD_RULES_DELEGATE_H_
-#define I18N_ADDRESSINPUT_LOAD_RULES_DELEGATE_H_
-
-#include <string>
-
-namespace i18n {
-namespace addressinput {
-
-// The object to be notified when loading of address validation rules is
-// finished.
-class LoadRulesDelegate {
- public:
-  virtual ~LoadRulesDelegate() {}
-
-  // Called when the validation rules for the |country_code| have been loaded.
-  // The validation rules include the generic rules for the |country_code| and
-  // specific rules for the country's administrative areas, localities, and
-  // dependent localities. If a country has language-specific validation rules,
-  // then these are also loaded.
-  //
-  // The |success| parameter is true when the rules were loaded successfully.
-  virtual void OnAddressValidationRulesLoaded(const std::string& country_code,
-                                              bool success) = 0;
-};
-
-}  // namespace addressinput
-}  // namespace i18n
-
-#endif  // I18N_ADDRESSINPUT_LOAD_RULES_DELEGATE_H_