Add GetOriginalRequestURL() to NavigationItem interface.

ios/web/web_state/ui/crw_web_controller.mm

Index: ios/web/web_state/ui/crw_web_controller.mm
diff --git a/ios/web/web_state/ui/crw_web_controller.mm b/ios/web/web_state/ui/crw_web_controller.mm
index ea28c2697cebc9b5f1f5ae09eee5a01387f3931b..48bb21bd1248a26feb690742476da65ad28f7f1c 100644
--- a/ios/web/web_state/ui/crw_web_controller.mm
+++ b/ios/web/web_state/ui/crw_web_controller.mm
@@ -2084,13 +2084,11 @@ - (void)triggerPendingLoad {
 - (BOOL)shouldReload:(const GURL&)destinationURL
           transition:(ui::PageTransition)transition {
   // Do a reload if the user hits enter in the address bar or re-types a URL.
-  CRWSessionController* sessionController =
-      _webStateImpl->GetNavigationManagerImpl().GetSessionController();
   web::NavigationItem* item =
       _webStateImpl->GetNavigationManagerImpl().GetVisibleItem();
   return (transition & ui::PAGE_TRANSITION_FROM_ADDRESS_BAR) && item &&
          (destinationURL == item->GetURL() ||
-          destinationURL == [sessionController currentEntry].originalUrl);
+          destinationURL == item->GetOriginalRequestURL());
 }
 
 // Reload either the web view or the native content depending on which is