[Multi Profile] Add "Delete this user" button for singleton profiles.

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 8743 matching lines @@
         <message name="IDS_PROFILES_CREATE_BUTTON_LABEL" desc="In Title Case. The label that appears on the profile create button in the options dialog to allow a user to create a new profile.">
           Add New User
         </message>
       </if>
       <message name="IDS_PROFILES_MANAGE_BUTTON_LABEL" desc="The label that appears on the profile manage button in the options dialog to allow a user to manage their profile.">
         Manage...
       </message>
       <message name="IDS_PROFILES_DELETE_BUTTON_LABEL" desc="The label that appears on the profile delete button in the options dialog to allow a user to delete their profile.">
         Delete...
       </message>
+      <if expr="not pp_ifdef('use_titlecase')">
+        <message name="IDS_PROFILES_DELETE_SINGLE_BUTTON_LABEL" desc="The label that appears on the profile delete button in the options dialog to allow a user with only one profile to delete it.">
+          Delete this user
+        </message>
+      </if>
+      <if expr="pp_ifdef('use_titlecase')">
+        <message name="IDS_PROFILES_DELETE_SINGLE_BUTTON_LABEL" desc="In Title Case. The label that appears on the profile delete button in the options dialog to allow a user with only one profile to delete it.">
+          Delete This User
+        </message>
+      </if>
       <message name="IDS_PROFILES_SYNCED_TO_USER_WITH_TIME" desc="The message that appears in the options dialog indicating that account is synced to a user with the given email address. The last sync also appears in the message.">
         Using Chrome profile <ph name="USER_EMAIL_ADDRESS">
           $1<ex>foo@gmail.com</ex>
         </ph>. Last synced: <ph name="LAST_SYNC_TIME">
           $2<ex>12 seconds ago</ex>
         </ph>
       </message>
       <if expr="not pp_ifdef('use_titlecase')">
         <message name="IDS_PROFILES_DISCONNECT_BUTTON_LABEL" desc="The text to display on the button to indicate profile disconnect (i.e., stop syncing) functionality.">
           Disconnect this account...
@@ skipping 5180 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>