--- chrome/browser/resources/settings/appearance_page/appearance_page.html.orig	2019-03-15 06:37:05 UTC
+++ chrome/browser/resources/settings/appearance_page/appearance_page.html
@@ -70,7 +70,7 @@
               hidden="[[!pageVisibility.setTheme]]"
               label="$i18n{themes}" sub-label="[[themeSublabel_]]"
               on-click="openThemeUrl_"></cr-link-row>
-<if expr="not is_linux or chromeos">
+<if expr="not is_posix or chromeos">
           <template is="dom-if" if="[[prefs.extensions.theme.id.value]]">
             <div class="separator"></div>
             <paper-button id="useDefault" on-click="onUseDefaultTap_"
@@ -79,7 +79,7 @@
             </paper-button>
           </template>
 </if>
-<if expr="is_linux and not chromeos">
+<if expr="is_posix and not chromeos">
           <div class="settings-row continuation"
               hidden="[[!showThemesSecondary_(
               prefs.extensions.theme.id.value, useSystemTheme_)]]"
@@ -144,7 +144,7 @@
             pref="{{prefs.bookmark_bar.show_on_all_tabs}}"
             label="$i18n{showBookmarksBar}">
         </settings-toggle-button>
-<if expr="is_linux and not chromeos">
+<if expr="is_posix and not chromeos">
         <settings-toggle-button
             class$="[[getFirst_(pageVisibility.bookmarksBar)]]"
             pref="{{prefs.browser.custom_chrome_frame}}"