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 7dfacea8bdd1b0dd9f76b3c5a92887a1bb5aa31c..0718a82927b9365604e029c412a7f5dfb0a62c2c 100644
--- a/ios/web/web_state/ui/crw_web_controller.mm
+++ b/ios/web/web_state/ui/crw_web_controller.mm
@@ -2193,13 +2193,11 @@ - (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