rAc: use libaddressinput to validate international addresses.

third_party/libaddressinput/chromium/cpp/include/libaddressinput/storage.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,
@@ skipping 33 matching lines @@
  public:
   typedef i18n::addressinput::Callback<std::string, std::string> Callback;
 
   virtual ~Storage() {}
 
   // Stores |data| for |key|.
   virtual void Put(const std::string& key, const std::string& data) = 0;
 
   // Retrieves the data for |key| and invokes the |data_ready| callback.
   virtual void Get(const std::string& key,
-                   scoped_ptr<Callback> data_ready) const = 0;

[Evan Stade, 2014/01/27 23:11:15]

I'd rather you didn't make this change --- this is a point of contention we
should address later.

[Dan Beam, 2014/01/28 02:22:36]

Done.

+                   scoped_ptr<Callback> data_ready) = 0;
 };
 
 }  // namespace addressinput
 }  // namespace i18n
 
 #endif  // I18N_ADDRESSINPUT_STORAGE_H_