Make user remove button focusable, and set up the correct tab order.

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!--
 This file contains definitions of resources that will be translated for each
 locale.  The variables is_win, is_macosx, is_linux, and is_posix are available
 for making strings OS specific.  Other platform defines such as use_titlecase
 are declared in build/common.gypi.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
@@ skipping 14109 matching lines @@
       </message>
       <message name="IDS_LANGUAGES_MORE" desc="Main language list 'more' link. Expands all possible languages, not only the main ones.">
         More...
       </message>
       <message name="IDS_LOGIN_POD_EMPTY_PASSWORD_TEXT" desc="Text to display in the password field for user pod when no password has been entered.">
         Enter password
       </message>
       <message name="IDS_LOGIN_POD_PASSWORD_FIELD_ACCESSIBLE_NAME" desc="Text to be spoken when the focus is set to the password field of a user pod on the login screen.">
         Password for <ph name="USER_EMAIL_ADDRESS">$1<ex>john.doe@example.com</ex></ph>
       </message>
+      <message name="IDS_LOGIN_POD_REMOVE_BUTTON_ACCESSIBLE_NAME" desc="Text to be spoken when the focus is set to the remove button of a user pod on the login screen.">
+        Remove user <ph name="USER_EMAIL_ADDRESS">$1<ex>john.doe@example.com</ex></ph>
+      </message>
       <message name="IDS_LOGIN_VERSION_LABEL_FORMAT" desc="Login screen version text format.">
         <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> <ph name="PRODUCT_VERSION">$2<ex>15.0.0.0</ex></ph> (Platform <ph name="PLATFORM_VERSION">$3<ex>900.0-11.09.01</ex></ph>)
       </message>
       <message name="IDS_LOGIN_MANAGED_BY_LABEL_FORMAT" desc="Text format for a 'Managed by DOMAIN' label on login screen.">
         Managed by <ph name="DOMAIN">$1<ex>yourdomain.com</ex></ph>
       </message>
       <message name="IDS_LOGIN_MANAGED_BY_WITH_STATUS_LABEL_FORMAT" desc="Text format for a 'Managed by DOMAIN' label on login screen, with additional status message.">
         Managed by <ph name="DOMAIN">$1<ex>yourdomain.com</ex></ph> (<ph name="STATUS">$2<ex>network error</ex></ph>)
       </message>
       <message name="IDS_LOGIN_MANAGED_BY_STATUS_PENDING" desc="Text for the pending status in 'Managed by DOMAIN' label on login screen.">
@@ skipping 394 matching lines @@
     </messages>
     <structures fallback_to_english="true">
       <!-- Make sure these stay in sync with the structures in generated_resources.grd. -->
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
       <structure name="IDD_CHROME_FRAME_READY_PROMPT" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
   </release>
 </grit>