change navigation initiation type default value to RENDERER_INITIATED

ios/chrome/browser/web/navigation_manager_util.h

Index: ios/chrome/browser/web/navigation_manager_util.h
diff --git a/ios/chrome/browser/web/navigation_manager_util.h b/ios/chrome/browser/web/navigation_manager_util.h
index 20f1cef6507fa42ad6d209bf3c2fc8c859e43c5b..5727e220bb29e61f2fff2e715cafa344fff12cda 100644
--- a/ios/chrome/browser/web/navigation_manager_util.h
+++ b/ios/chrome/browser/web/navigation_manager_util.h
@@ -5,15 +5,6 @@
 #ifndef IOS_CHROME_BROWSER_WEB_NAVIGATION_MANAGER_UTIL_H_
 #define IOS_CHROME_BROWSER_WEB_NAVIGATION_MANAGER_UTIL_H_
 
-#import "ios/web/public/navigation_item.h"
-#import "ios/web/public/navigation_manager.h"
-
 // Utility functions built on web::NavigationManager public API.
 
-// Returns the most recent navigation item that is not the result of an HTTP
-// Redirect. Returns nullptr if |nav_manager| is nullptr or is empty.
-// If all items are redirects, the first item is returned.
-web::NavigationItem* GetLastNonRedirectedItem(
-    web::NavigationManager* nav_manager);
-
 #endif  // IOS_CHROME_BROWSER_WEB_NAVIGATION_MANAGER_UTIL_H_