Replaced NavigationContext::IsErrorPage with NavigationContext::GetError

ios/chrome/browser/tabs/tab.mm

Index: ios/chrome/browser/tabs/tab.mm
diff --git a/ios/chrome/browser/tabs/tab.mm b/ios/chrome/browser/tabs/tab.mm
index fcd60e4a7dbf6f264ae0e72201b09bd0f90fc40c..067bb730a5e0c3830dc8e40671f122e615ff6660 100644
--- a/ios/chrome/browser/tabs/tab.mm
+++ b/ios/chrome/browser/tabs/tab.mm
@@ -123,7 +123,7 @@
 #include "ios/web/public/url_util.h"
 #include "ios/web/public/web_client.h"
 #import "ios/web/public/web_state/js/crw_js_injection_receiver.h"
-#include "ios/web/public/web_state/navigation_context.h"
+#import "ios/web/public/web_state/navigation_context.h"
 #import "ios/web/public/web_state/ui/crw_generic_content_view.h"
 #include "ios/web/public/web_state/web_state.h"
 #import "ios/web/public/web_state/web_state_observer_bridge.h"
@@ -1164,7 +1164,7 @@ void TabInfoBarObserver::OnInfoBarReplaced(infobars::InfoBar* old_infobar,
       faviconDriver->FetchFavicon(navigation->GetUrl());
   }
 
-  if (!navigation->IsErrorPage()) {
+  if (!navigation->GetError()) {
     [self addCurrentEntryToHistoryDB];
     [self countMainFrameLoad];
   }