Cancels payment request when Settings is tapped, and opens the Autofill settings page.

ios/chrome/browser/ui/settings/settings_navigation_controller.h

Index: ios/chrome/browser/ui/settings/settings_navigation_controller.h
diff --git a/ios/chrome/browser/ui/settings/settings_navigation_controller.h b/ios/chrome/browser/ui/settings/settings_navigation_controller.h
index 3532e5ed17305a780a8edde09142d07f8580cd64..b0bd5f1aa59ef5aae958ed8955b94fac67edbb6d 100644
--- a/ios/chrome/browser/ui/settings/settings_navigation_controller.h
+++ b/ios/chrome/browser/ui/settings/settings_navigation_controller.h
@@ -127,6 +127,13 @@ newImportDataController:(ios::ChromeBrowserState*)browserState
                 toEmail:(NSString*)toEmail
              isSignedIn:(BOOL)isSignedIn;
 
+// Creates a new AutofillCollectionViewController and the chrome around it.
+// |browserState| is used to personalize some settings aspects and should not be
+// nil. |delegate| may be nil.
++ (SettingsNavigationController*)
+newAutofillController:(ios::ChromeBrowserState*)browserState
+             delegate:(id<SettingsNavigationControllerDelegate>)delegate;
+
 // Returns a new Done button for a UINavigationItem which will call
 // closeSettings when it is pressed. Should only be called by view controllers
 // owned by SettingsNavigationController.