Language settings: Fix unnecessarily shown move buttons

chrome/browser/resources/settings/languages_page/languages_page.html

Index: chrome/browser/resources/settings/languages_page/languages_page.html
diff --git a/chrome/browser/resources/settings/languages_page/languages_page.html b/chrome/browser/resources/settings/languages_page/languages_page.html
index 9ceaba44b76df7e5eb4c30b5d057402d2fbdeb15..762022299186c1f6742241615d5edbf08104afee 100644
--- a/chrome/browser/resources/settings/languages_page/languages_page.html
+++ b/chrome/browser/resources/settings/languages_page/languages_page.html
@@ -245,19 +245,18 @@
             <hr>
             <button class="dropdown-item" role="menuitem"
                 on-tap="onMoveToTopTap_"
-                hidden="[[isFirstLanguage_(
-                    detailLanguage_, languages.enabled.*)]]">
+                hidden="[[isNthLanguage_(
+                    0, detailLanguage_, languages.enabled.*)]]">
               $i18n{moveToTop}
             </button>
             <button class="dropdown-item" role="menuitem"
                 on-tap="onMoveUpTap_"
-                hidden="[[isFirstOrSecondLanguage_(
-                    detailLanguage_, languages.enabled.*)]]">
+                hidden="[[!showMoveUp_(detailLanguage_, languages.enabled.*)]]">
               $i18n{moveUp}
             </button>
             <button class="dropdown-item" role="menuitem"
                 on-tap="onMoveDownTap_"
-                hidden="[[isLastLanguage_(
+                hidden="[[!showMoveDown_(
                     detailLanguage_, languages.enabled.*)]]">
               $i18n{moveDown}
             </button>