Add Select-to-Speak to OOBE screen without flags.

UX approved over email.

Bug: 833047
Change-Id: I73c5b12d98fa332aa29089d7af23bb420d659436
Reviewed-on: https://chromium-review.googlesource.com/1241995Reviewed-by: Jacob Dufault <jdufault@chromium.org>
Reviewed-by: David Tseng <dtseng@chromium.org>
Commit-Queue: Katie Dektar <katie@chromium.org>
Cr-Commit-Position: refs/heads/master@{#594569}

chrome/browser/resources/chromeos/login/oobe.js

@@ -256,10 +256,8 @@ cr.define('cr.ui.Oobe', function() {
       $('virtual-keyboard').checked = data.virtualKeyboardEnabled;
 
       // TODO(katie): Remove this when launching features in OOBE screen.
-      if (!data.enableExperimentalA11yFeatures) {
-        $('select-to-speak-row').setAttribute('hidden', true);
+      if (!data.enableExperimentalA11yFeatures)
         $('docked-magnifier-row').setAttribute('hidden', true);
-      }
 
       $('oobe-welcome-md').a11yStatus = data;
     },

chrome/browser/resources/chromeos/login/oobe_welcome.html

@@ -180,8 +180,7 @@
             on-change="onA11yOptionChanged_"
             chrome-message="enableSelectToSpeak"
             label-for-aria="[[i18nDynamic(locale, 'selectToSpeakOption')]]"
-            id="selectToSpeakOobeOption"
-            hidden="[[!a11yStatus.enableExperimentalA11yFeatures]]">
+            id="selectToSpeakOobeOption">
           <span slot="title">
             [[i18nDynamic(locale, 'selectToSpeakOption')]]
           </span>