Implement new design for expanded public session pod design

chrome/app/chromeos_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- ChromeOS-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>
   <message name="IDS_CHROMEBOOK" desc="The localized name for Chromebook.">
     Chromebook
   </message>
   <message name="IDS_CHROMEBOX" desc="The localized name for Chromebox">
@@ skipping 4823 matching lines @@
   <message name="IDS_LOGIN_POD_REMOVE_USER" desc="Login screen user pod menu item text.">
     Remove this user
   </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_DEVICE_OWNED_BY_NOTICE" desc="Text for notifications showing that this is managed device.">
     This device is managed by <ph name="DOMAIN">$1<ex>acmecorp.com</ex></ph>.
   </message>
   <message name="IDS_LOGIN_PUBLIC_ACCOUNT_INFO_FORMAT" desc="Template for text shown in the public account user pod, informing the user that this is a public, managed account.">
-    This device is managed by <ph name="DOMAIN">$1<ex>yourdomain.com</ex></ph>.
+    Managed by <ph name="DOMAIN">$1<ex>yourdomain.com</ex></ph>
   </message>
   <message name="IDS_LOGIN_PUBLIC_ACCOUNT_SIGNOUT_REMINDER" desc="Text shown in the public account user pod, reminding the user to log out.">
     Your information will be removed when you sign out.
   </message>
   <message name="IDS_LOGIN_PUBLIC_ACCOUNT_ENTER" meaning="Label text for signing in." desc="Label text for the sign-in button in the public account user pod.">
     Enter
   </message>
   <message name="IDS_LOGIN_PUBLIC_ACCOUNT_ENTER_ACCESSIBLE_NAME" desc="Text to be spoken when focus is set to the sign-in button in the public account user pod.">
     Enter public session
   </message>
@@ skipping 699 matching lines @@
   </message>
 
   <!-- 'OK Google' voice search activation display strings -->
   <message name="IDS_FLAGS_OK_GOOGLE_NAME" desc="Name of about:flags option for Ok Google.">
     Enable 'Ok Google' to activate voice search.
   </message>
   <message name="IDS_FLAGS_OK_GOOGLE_DESCRIPTION" desc="Description of about:flags option Ok Google.">
     If enabled, there will be an option in chrome:settings to enable saying 'Ok Google' to activate voice search.
   </message>
 </grit-part>