Index: ios/shared/chrome/browser/tabs/web_state_opener.h |
diff --git a/ios/shared/chrome/browser/tabs/web_state_opener.h b/ios/shared/chrome/browser/tabs/web_state_opener.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..ef286444b33da3be2878e64a21d7491635a2495f |
--- /dev/null |
+++ b/ios/shared/chrome/browser/tabs/web_state_opener.h |
@@ -0,0 +1,34 @@ |
+// 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_ |
+ |
+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_ |