|  | // Copyright 2017 The Chromium Authors | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | #ifndef IOS_CHROME_BROWSER_TABS_TAB_HELPER_UTIL_H_ | 
|  | #define IOS_CHROME_BROWSER_TABS_TAB_HELPER_UTIL_H_ | 
|  |  | 
|  | namespace web { | 
|  | class WebState; | 
|  | } | 
|  |  | 
|  | // Attaches tab helpers to WebState. If `for_prerender` is true, then only | 
|  | // the tab helpers that must be attached even for pre-rendered WebStates | 
|  | // are created. | 
|  | void AttachTabHelpers(web::WebState* web_state, bool for_prerender); | 
|  |  | 
|  | #endif  // IOS_CHROME_BROWSER_TABS_TAB_HELPER_UTIL_H_ |