Added system notification for update_engine.

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. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/generated_resources.h" type="rc_header">
       <emit emit_type='prepend'></emit>
@@ skipping 7578 matching lines @@
       </message>
       <message name="IDS_NETWORK_CONNECTION_ERROR_MESSAGE" desc="Message for network connection error notification">
         Failed to connect to network '<ph name="name">$1<ex>GoogleGuest</ex></ph>'.
       </message>
       <message name="IDS_LOW_BATTERY_TITLE" desc="Title for low battery notification">
         Battery Low
       </message>
       <message name="IDS_LOW_BATTERY_MESSAGE" desc="Message for low battery notification">
         Less than <ph name="MINUTES">$1<ex>15 mins left</ex></ph>.
       </message>
+      <message name="IDS_UPDATE_TITLE" desc="Title for update notification">
+        System Update
+      </message>
+      <message name="IDS_UPDATE_ERROR" desc="Notification for failed update">
+        System update failed.
+      </message>
+      <message name="IDS_UPDATE_AVAILABLE" desc="Notification for available update">
+        System update available&#x2026;
+      </message>
+      <message name="IDS_UPDATE_DOWNLOADING" desc="Notification for update download progress">
+        System update downloading: <ph name="PERCENT">$1<ex>10</ex></ph>&#37; complete.
+      </message>
+      <message name="IDS_UPDATE_VERIFYING" desc="Notification for update verifying">
+        Verifying system update&#x2026;
+      </message>
+      <message name="IDS_UPDATE_FINALIZING" desc="Notification for update finalizing">
+        Finalizing system update&#x2026;
+      </message>
+      <message name="IDS_UPDATE_COMPLETED" desc="Notification for update completed">
+        System update complete. Please restart the system by pressing the power
+        button, wait for the system to power down, then press the power button again.
+      </message>
       <message name="IDS_INSTALLING_UPDATE" desc="Label shown on the updates installation screen">
         Please wait while <ph name="PRODUCT_NAME">$1<ex>Chrome OS</ex></ph> installs an important update.\nYour computer will restart after this is complete.
       </message>
       <message name="IDS_NETWORK_SELECTION_TITLE" desc="Welcome title shown on network selection screen">
         Welcome to <ph name="PRODUCT_NAME">$1<ex>Chrome OS</ex></ph>
       </message>
       <message name="IDS_NETWORK_SELECTION_SELECT" desc="Label for network selection dropdown">
         Select a network:
       </message>
       <message name="IDS_LANGUAGE_SELECTION_SELECT" desc="Label for language selection dropdown">
@@ skipping 1098 matching lines @@
 
     </messages>
 
     <structures fallback_to_english="true">
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
 
   </release>
 </grit>