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

third_party/libaddressinput/chromium/cpp/include/libaddressinput/callback.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_CALLBACK_H_
-#define I18N_ADDRESSINPUT_CALLBACK_H_
-
-#include <libaddressinput/util/scoped_ptr.h>
-
-#include <cassert>
-#include <cstddef>
-#include <string>
-
-namespace i18n {
-namespace addressinput {
-
-// Stores a pointer to a method in an object. Sample usage:
-//    class MyClass {
-//     public:
-//      typedef Callback<std::string, std::string> MyConstRefCallback;
-//      typedef ScopdedPtrCallback<std::string, MyDataType> MyScopedPtrCallback;
-//
-//      void GetStringAsynchronously() {
-//        scoped_ptr<MyCallback> callback(BuildCallback(
-//            this, &MyClass::OnStringReady));
-//        bool success = ...
-//        std::string key = ...
-//        std::string data = ...
-//        (*callback)(success, key, data);
-//      }
-//
-//      void GetDataAsynchronously() {
-//        scoped_ptr<MyScopedPtrCallback> callback(BuildScopedPtrCallback(
-//            this, &MyClass::OnDataReady));
-//        bool success = ...
-//        std::string key = ...
-//        scoped_ptr<MyDataType> data = ...
-//        (*callback)(success, key, data.Pass());
-//      }
-//
-//      void OnStringReady(bool success,
-//                         const std::string& key,
-//                         const std::string& data) {
-//        ...
-//      }
-//
-//      void OnDataReady(bool success,
-//                       const std::string& key,
-//                       scoped_ptr<MyDataType> data) {
-//        ...
-//      }
-//    };
-template <typename Sig> class Callback;
-template <typename ReturnType, typename RequestType, typename ResponseType>
-class Callback<ReturnType(RequestType, ResponseType)> {
- public:
-  virtual ~Callback() {}
-
-  virtual ReturnType operator()(bool success,
-                                const RequestType& request,
-                                const ResponseType& response) const = 0;
-};
-
-template <typename Sig> class ScopedPtrCallback;
-template <typename ReturnType, typename RequestType, typename ResponseType>
-class ScopedPtrCallback<ReturnType(RequestType, ResponseType)> {
- public:
-  virtual ~ScopedPtrCallback() {}
-
-  virtual ReturnType operator()(bool success,
-                                const RequestType& request,
-                                scoped_ptr<ResponseType> response) const = 0;
-};
-
-namespace {
-
-template <typename BaseType, typename ReturnType, typename RequestType,
-          typename ResponseType>
-class CallbackImpl : public Callback<ReturnType(RequestType, ResponseType)> {
- public:
-  typedef ReturnType (BaseType::*Method)(
-      bool, const RequestType&, const ResponseType&);
-
-  CallbackImpl(BaseType* instance, Method method)
-      : instance_(instance),
-        method_(method) {
-    assert(instance_ != NULL);
-    assert(method_ != NULL);
-  }
-
-  virtual ~CallbackImpl() {}
-
-  // Callback implementation.
-  virtual ReturnType operator()(bool success,
-                                const RequestType& request,
-                                const ResponseType& response) const {
-    return (instance_->*method_)(success, request, response);
-  }
-
- private:
-  BaseType* instance_;
-  Method method_;
-};
-
-template <typename BaseType, typename ReturnType, typename RequestType,
-          typename ResponseType>
-class ScopedPtrCallbackImpl :
-    public ScopedPtrCallback<ReturnType(RequestType, ResponseType)> {
- public:
-  typedef ReturnType (BaseType::*Method)(
-      bool, const RequestType&, scoped_ptr<ResponseType>);
-
-  ScopedPtrCallbackImpl(BaseType* instance, Method method)
-      : instance_(instance),
-        method_(method) {
-    assert(instance_ != NULL);
-    assert(method_ != NULL);
-  }
-
-  virtual ~ScopedPtrCallbackImpl() {}
-
-  // ScopedPtrCallback implementation.
-  virtual ReturnType operator()(bool success,
-                                const RequestType& request,
-                                scoped_ptr<ResponseType> response) const {
-    return (instance_->*method_)(success, request, response.Pass());
-  }
-
- private:
-  BaseType* instance_;
-  Method method_;
-};
-
-}  // namespace
-
-// Returns a callback to |instance->method| with constant reference to data.
-template <typename BaseType, typename ReturnType, typename RequestType,
-          typename ResponseType>
-scoped_ptr<Callback<ReturnType(RequestType, ResponseType)> > BuildCallback(
-    BaseType* instance,
-    ReturnType (BaseType::*method)(
-        bool, const RequestType&, const ResponseType&)) {
-  return scoped_ptr<Callback<ReturnType(RequestType, ResponseType)> >(
-      new CallbackImpl<BaseType, ReturnType, RequestType, ResponseType>(
-          instance, method));
-}
-
-// Returns a callback to |instance->method| with scoped pointer to data.
-template <typename BaseType, typename ReturnType, typename RequestType,
-          typename ResponseType>
-scoped_ptr<ScopedPtrCallback<ReturnType(RequestType, ResponseType)> >
-BuildScopedPtrCallback(
-    BaseType* instance,
-    ReturnType (BaseType::*method)(
-        bool, const RequestType&, scoped_ptr<ResponseType>)) {
-  return scoped_ptr<ScopedPtrCallback<ReturnType(RequestType, ResponseType)> >(
-      new ScopedPtrCallbackImpl<BaseType, ReturnType, RequestType,
-                                ResponseType>(
-          instance, method));
-}
-
-}  // namespace addressinput
-}  // namespace i18n
-
-#endif  // I18N_ADDRESSINPUT_CALLBACK_H_