Consolidate the strings used by the CrOS/desktop user manager screen.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
diff --git a/chrome/app/generated_resources.grd b/chrome/app/generated_resources.grd
index fdecd0d7cba1d220ebd23b4d5c7fce23421f9afc..a3010df5b14112be068437e444324d05716aa194 100644
--- a/chrome/app/generated_resources.grd
+++ b/chrome/app/generated_resources.grd
@@ -14387,7 +14387,7 @@ The supervised user's settings and browsing history will be merged across device
       Oops! The supervised user couldn't be imported. Please make sure you're signed in properly and try again.
     </message>
 
-    <if expr="not is_android and not is_ios and not pp_ifdef('chromeos')">
+    <if expr="not is_android and not is_ios">
       <!-- User manager web UI -->
       <if expr="pp_ifdef('use_titlecase')">
         <message name="IDS_ADD_USER_BUTTON" desc="Text shown on an add user button on login/locker screen">
@@ -14399,7 +14399,7 @@ The supervised user's settings and browsing history will be merged across device
         <message name="IDS_LOGIN_BUTTON">
           Sign In
         </message>
-        <message name="IDS_LOGIN_POD_USER_REMOVE_WARNING_BUTTON" desc="Login screen user pod menu item text.">
+        <message name="IDS_LOGIN_POD_USER_REMOVE_WARNING_BUTTON" desc="Text shown on a button that confirms removal of a user.">
           Remove This User
         </message>
       </if>
@@ -14413,7 +14413,7 @@ The supervised user's settings and browsing history will be merged across device
         <message name="IDS_LOGIN_BUTTON">
           Sign in
         </message>
-        <message name="IDS_LOGIN_POD_USER_REMOVE_WARNING_BUTTON" desc="Login screen user pod menu item text.">
+        <message name="IDS_LOGIN_POD_USER_REMOVE_WARNING_BUTTON" desc="Text shown on a button that confirms removal of a user.">
           Remove this user
         </message>
       </if>
@@ -14438,9 +14438,16 @@ The supervised user's settings and browsing history will be merged across device
       <message name="IDS_LOGIN_POD_MENU_REMOVE_ITEM_ACCESSIBLE_NAME" desc="Text to be spoken when 'Remove user' item is selected on the pod menu.">
         Remove this user
       </message>
-      <message name="IDS_LOGIN_POD_USER_REMOVE_WARNING" desc="Text shown as a warning when attempting to remove an user.">
-        Are you sure you want to delete this user and all the data associated with it from this computer? This cannot be undone!
-      </message>
+      <if expr="pp_ifdef('chromeos')">
+        <message name="IDS_LOGIN_POD_USER_REMOVE_WARNING" desc="Text shown as a warning when attempting to remove supervised user.">
+          All files and local data associated with the supervised user will be permanently deleted once this supervised user is removed. Visited websites and settings for this supervised user may still be visible by the manager at <ph name="MANAGEMENT_URL">$1<ex>www.example.com</ex></ph>.
+        </message>
+      </if>
+      <if expr="not pp_ifdef('chromeos')">
+        <message name="IDS_LOGIN_POD_USER_REMOVE_WARNING" desc="Text shown as a warning when attempting to remove an user.">
+          Are you sure you want to delete this user and all the data associated with it from this computer? This cannot be undone!
+        </message>
+      </if>
     </if>
 
     <!-- Aura strings -->