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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 #import "ios/web/public/web_state/web_state_observer_bridge.h" | 5 #import "ios/web/public/web_state/web_state_observer_bridge.h" |
6 | 6 |
| 7 #if !defined(__has_feature) || !__has_feature(objc_arc) |
| 8 #error "This file requires ARC support." |
| 9 #endif |
| 10 |
7 namespace web { | 11 namespace web { |
8 | 12 |
9 WebStateObserverBridge::WebStateObserverBridge(web::WebState* webState, | 13 WebStateObserverBridge::WebStateObserverBridge(web::WebState* webState, |
10 id<CRWWebStateObserver> observer) | 14 id<CRWWebStateObserver> observer) |
11 : web::WebStateObserver(webState), observer_(observer) { | 15 : web::WebStateObserver(webState), observer_(observer) { |
12 } | 16 } |
13 | 17 |
14 WebStateObserverBridge::~WebStateObserverBridge() { | 18 WebStateObserverBridge::~WebStateObserverBridge() { |
15 } | 19 } |
16 | 20 |
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144 void WebStateObserverBridge::WebStateDestroyed() { | 148 void WebStateObserverBridge::WebStateDestroyed() { |
145 SEL selector = @selector(webStateDestroyed:); | 149 SEL selector = @selector(webStateDestroyed:); |
146 if ([observer_ respondsToSelector:selector]) { | 150 if ([observer_ respondsToSelector:selector]) { |
147 // |webStateDestroyed:| may delete |this|, so don't expect |this| to be | 151 // |webStateDestroyed:| may delete |this|, so don't expect |this| to be |
148 // valid afterwards. | 152 // valid afterwards. |
149 [observer_ webStateDestroyed:web_state()]; | 153 [observer_ webStateDestroyed:web_state()]; |
150 } | 154 } |
151 } | 155 } |
152 | 156 |
153 } // namespace web | 157 } // namespace web |
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