[ios] Move WebStateList to ios/chrome/browser/web_state_list.

ios/chrome/browser/web_state_list/web_state_opener.h

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef IOS_SHARED_CHROME_BROWSER_TABS_WEB_STATE_OPENER_H_
-#define IOS_SHARED_CHROME_BROWSER_TABS_WEB_STATE_OPENER_H_
+#ifndef IOS_CHROME_BROWSER_WEB_STATE_LIST_WEB_STATE_OPENER_H_
+#define IOS_CHROME_BROWSER_WEB_STATE_LIST_WEB_STATE_OPENER_H_
 
 namespace web {
 class WebState;
 }
 
 // Represents the opener of a WebState.
 struct WebStateOpener {
   // WebState responsible for the creation of the new WebState. May be null if
   // the WebState has no opener.
   web::WebState* opener;
 
   // Recorded value of the |opener| last committed navigation index when the
   // WebState was open. Value is undefined if |opener| is null.
   int navigation_index;
 
   // Creates WebStateOpener initialising the members from |opener| (the
   // |navigation_index| will be initialised from |opener|'s navigation
   // manager if |opener| is not null).
   explicit WebStateOpener(web::WebState* opener);
 
   // Creates WebStateOpener initialising the members from the parameters.
   WebStateOpener(web::WebState* opener, int navigation_index);
 
   // Forbids default construction.
   WebStateOpener() = delete;
 };
 
-#endif  // IOS_SHARED_CHROME_BROWSER_TABS_WEB_STATE_OPENER_H_
+#endif  // IOS_CHROME_BROWSER_WEB_STATE_LIST_WEB_STATE_OPENER_H_