1 files changed, 15 insertions, 1 deletions
diff --git a/chromium/chrome/browser/resources/settings/privacy_page/security_keys_pin_field.js b/chromium/chrome/browser/resources/settings/privacy_page/security_keys_pin_field.js
index abace08a7e0..72159d830d7 100644
--- a/chromium/chrome/browser/resources/settings/privacy_page/security_keys_pin_field.js
+++ b/chromium/chrome/browser/resources/settings/privacy_page/security_keys_pin_field.js
@@ -18,7 +18,10 @@ Polymer({
     label: String,
 
     /** The validation error label of the input field. */
-    error: String,
+    error: {
+      type: String,
+      observer: 'errorChanged_',
+    },
 
     /** The value of the input field. */
     value: String,
@@ -32,6 +35,10 @@ Polymer({
 
   /** @override */
   attached: function() {
+    Polymer.RenderStatus.afterNextRender(this, function() {
+      Polymer.IronA11yAnnouncer.requestAvailability();
+    });
+
     this.inputVisible_ = false;
   },
 
@@ -158,4 +165,11 @@ Polymer({
 
     return '';
   },
+
+  /** @private */
+  errorChanged_: function() {
+    // Make screen readers announce changes to the PIN validation error
+    // label.
+    this.fire('iron-announce', {text: this.error});
+  },
 });