[Hotword] Make ConfirmDialog subclass from SettingsDialog

chrome/browser/resources/options/preferences.js

Index: chrome/browser/resources/options/preferences.js
diff --git a/chrome/browser/resources/options/preferences.js b/chrome/browser/resources/options/preferences.js
index 6f8cc8294176437ecb8a82f8dbcb37db9086fac6..ecbe1ec8d586ba2368092f1e6753adc7cb30f9f3 100644
--- a/chrome/browser/resources/options/preferences.js
+++ b/chrome/browser/resources/options/preferences.js
@@ -216,8 +216,8 @@ cr.define('options', function() {
       // Decorate pref value as CoreOptionsHandler::CreateValueForPref() does.
       event.value = {
         value: value,
-        recommendedValue: pref.orig.recommendedValue,
-        disabled: pref.orig.disabled,
+        recommendedValue: pref.orig ? pref.orig.recommendedValue : undefined,
+        disabled: pref.orig ? pref.orig.disabled : undefined,
         uncommitted: true,
       };

[Dan Beam, 2014/03/27 21:06:43]

nit:

event.value = {value: value, uncommitted: true};
if (pref.orig) {
  event.value.recommendedValue = pref.orig.recommendedValue;
  event.value.disabled = pref.orig.disabled;
}

[rpetterson, 2014/03/27 21:26:00]

Done.

       this.dispatchEvent(event);