Accessibility fixes for quick unlock settings.

ui/webui/resources/cr_elements/cr_dialog/cr_dialog.js

Index: ui/webui/resources/cr_elements/cr_dialog/cr_dialog.js
diff --git a/ui/webui/resources/cr_elements/cr_dialog/cr_dialog.js b/ui/webui/resources/cr_elements/cr_dialog/cr_dialog.js
index fc13095d5eec9c815c1c54e713b4f6206a0a0f11..f752a7dd32e5e398a58de5062be607cea2189415 100644
--- a/ui/webui/resources/cr_elements/cr_dialog/cr_dialog.js
+++ b/ui/webui/resources/cr_elements/cr_dialog/cr_dialog.js
@@ -15,6 +15,8 @@ Polymer({
   is: 'cr-dialog',
   extends: 'dialog',
 
+  behaviors: [I18nBehavior],

[tommycli, 2016/10/25 18:13:50]

hopefully this is unneeded per the previous comment

[jdufault, 2016/10/26 22:38:36]

It's needed :(. I could remove it by calling loadTimeData.getString directly,
though.

+
   /** @override */
   created: function() {
     // If the active history entry changes (i.e. user clicks back button),
@@ -42,4 +44,8 @@ Polymer({
   getCloseButton: function() {
     return this.$.close;
   },
+
+  getCloseA11yText_: function() {
+    return this.i18n('close');
+  }
 });