Fix some timing and display issues with the supervised-user confirmation.

chrome/app/generated_resources.grd

Index: chrome/app/generated_resources.grd
===================================================================
--- chrome/app/generated_resources.grd	(revision 207949)
+++ chrome/app/generated_resources.grd	(working copy)
@@ -15047,7 +15047,7 @@
       <ph name="NEW_PROFILE_NAME">$1<ex>New User</ex></ph> has been created as a supervised user!
     </message>
     <message name="IDS_NEW_MANAGED_USER_CREATED_TEXT" desc="Informative text for the confirmation dialog that appears after a supervised user has been created.">
-      A supervised user named <ph name="NEW_PROFILE_NAME">$1<ex>New User</ex></ph> has been created. To set which websites this supervised user can view, you can configure restrictions and settings by visiting www.chrome.com/manage. If you do not change the default settings, <ph name="NEW_PROFILE_NAME">$1<ex>New User</ex></ph> can browse all sites on the web.
+      A supervised user named <ph name="NEW_PROFILE_NAME">$1<ex>New User</ex></ph> has been created. To set which websites this supervised user can view, you can configure restrictions and settings by visiting <ph name="BEGIN_LINK">&lt;a target="_blank" href="https://www.chrome.com/manage"&gt;</ph>www.chrome.com/manage<ph name="END_LINK">&lt;/a&gt;<ex>&lt;/a&gt;</ex></ph>. If you do not change the default settings, <ph name="NEW_PROFILE_NAME">$1<ex>New User</ex></ph> can browse all sites on the web.
 
 Please check your email at <ph name="ACCOUNT_EMAIL">$2<ex>jane.doe@gmail.com</ex></ph> for these and further instructions.
     </message>