Add Active Directory password change screen.

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Chrome OS-specific strings (included from generated_resources.grd).
      Everything in this file is wrapped in <if expr="chromeos">. -->
 <grit-part>
   <message name="IDS_EMPTY_STRING" desc="Empty string, exist only to make code generic. No translation required.">
   </message>
   <!-- Idle logout dialog for retail mode -->
   <message name="IDS_IDLE_LOGOUT_TITLE" desc="Dialog title for the idle logout dialog. Used in retail mode only.">
     Are you still there?
   </message>
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   </message>
   <message name="IDS_AD_DOMAIN_AUTH_WELCOME_MESSAGE" desc="Welcome message on the AD Authentication user screen. Include the domain (realm) the machine joined to">
     Login to <ph name="REALM">$1<ex>example.com</ex></ph>
   </message>
   <message name="IDS_AD_LOGIN_USER" desc="Label for userPrincipalName input field on both AD domain join and AD Authentication user screens. Looks like user@example.com where example.com is realm">
     Username (e.g. user@example.com)
   </message>
   <message name="IDS_AD_LOGIN_PASSWORD" desc="Label for Password input field on both AD domain join and AD Authorization user screens..">
     Password
   </message>
+  <message name="IDS_AD_PASSWORD_CHANGE_OLD_PASSWORD" desc="Old password field hint on the Active Directory password change dialog.">
+    Enter old password
+  </message>
+  <message name="IDS_AD_PASSWORD_CHANGE_NEW_PASSWORD" desc="New password field hint on the Active Directory password change dialog.">
+    Enter new password
+  </message>
+  <message name="IDS_AD_PASSWORD_CHANGE_REPEAT_NEW_PASSWORD" desc="Repeat of the new password field hint on the Active Directory password change dialog.">
+    Confirm new password
+  </message>
+  <message name="IDS_AD_PASSWORD_CHANGE_MESSAGE" desc="Message to the user that the Active Directory administrator requires the user to change his/her password.">
+    <ph name="USER_NAME">$1</ph>, your administrator requires you to change your password.
+  </message>
+  <message name="IDS_AD_PASSWORD_CHANGE_INVALID_PASSWORD" desc="Error message for the old password field on the Active Directory password change dialog.">
+    The password you entered is incorrect.
+  </message>
+  <message name="IDS_AD_PASSWORD_CHANGE_PASSWORDS_MISMATCH" desc="Error message in case new password fields does not match on the Active Directory password change dialog.">
+    Passwords do not match.
+  </message>
   <message name="IDS_ENTERPRISE_ENROLLMENT_ATTRIBUTE_EXPLANATION" desc="Device attribute message to be shown on attribute update prompt screen.">
     Optional — enter new or update existing information to be associated with this device.
   </message>
   <message name="IDS_ENTERPRISE_ENROLLMENT_EXPLAIN_ATTRIBUTE_LINK" desc="Text on the link to the device attribute update help article.">
     Learn more.
   </message>
 
   <!-- About network UI display strings -->
   <message name="IDS_NETWORK_UI_TITLE" desc="Title of the page">
     Network
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     Attempts left: $1
   </message>
   <message name="IDS_REQUEST_PIN_DIALOG_PIN" desc="The Provider Identification Number abbreviation">
     PIN
   </message>
   <message name="IDS_REQUEST_PIN_DIALOG_PUK" desc="The Personal Unlocking Key (as used in mobile phones) abbreviation">
     PUK
   </message>
 
 </grit-part>