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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_USER_DATA_H_ | 5 #ifndef IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_USER_DATA_H_ |
| 6 #define IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_USER_DATA_H_ | 6 #define IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_USER_DATA_H_ |
| 7 | 7 |
| 8 #include "base/logging.h" | 8 #include "base/logging.h" |
| 9 #include "base/supports_user_data.h" | 9 #include "base/supports_user_data.h" |
| 10 #include "ios/web/public/web_state/web_state.h" | 10 #import "ios/web/public/web_state/web_state.h" |
| 11 | 11 |
| 12 namespace web { | 12 namespace web { |
| 13 | 13 |
| 14 // A base class for classes attached to, and scoped to, the lifetime of a | 14 // A base class for classes attached to, and scoped to, the lifetime of a |
| 15 // WebState. For example: | 15 // WebState. For example: |
| 16 // | 16 // |
| 17 // --- in foo.h --- | 17 // --- in foo.h --- |
| 18 // class Foo : public web::WebStateUserData<Foo> { | 18 // class Foo : public web::WebStateUserData<Foo> { |
| 19 // public: | 19 // public: |
| 20 // ~Foo() override; | 20 // ~Foo() override; |
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| 67 // a declaration. Without it, this would be merely a declaration of a template | 67 // a declaration. Without it, this would be merely a declaration of a template |
| 68 // specialization. (C++98: 14.7.3.15; C++11: 14.7.3.13) | 68 // specialization. (C++98: 14.7.3.15; C++11: 14.7.3.13) |
| 69 // | 69 // |
| 70 #define DEFINE_WEB_STATE_USER_DATA_KEY(TYPE) \ | 70 #define DEFINE_WEB_STATE_USER_DATA_KEY(TYPE) \ |
| 71 template <> \ | 71 template <> \ |
| 72 int web::WebStateUserData<TYPE>::kLocatorKey = 0 | 72 int web::WebStateUserData<TYPE>::kLocatorKey = 0 |
| 73 | 73 |
| 74 } // namespace web | 74 } // namespace web |
| 75 | 75 |
| 76 #endif // IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_USER_DATA_H_ | 76 #endif // IOS_WEB_PUBLIC_WEB_STATE_WEB_STATE_USER_DATA_H_ |
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