Update cached kiosk app crx from usb stick.

chrome/app/chromeos_strings.grdp

Index: chrome/app/chromeos_strings.grdp
diff --git a/chrome/app/chromeos_strings.grdp b/chrome/app/chromeos_strings.grdp
index 3f784ac382dedc108f6b1624e082b66f24ceb1a8..b5f8c68abc2be0d55298167e929dd132e22aa6f2 100644
--- a/chrome/app/chromeos_strings.grdp
+++ b/chrome/app/chromeos_strings.grdp
@@ -5079,6 +5079,45 @@ Battery full
   <message name="IDS_KIOSK_APP_ERROR_USER_CANCEL" desc="Error message used when a kiosk app launch is canceled by user.">
     Kiosk application launch canceled.
   </message>
+  <message name="IDS_KIOSK_EXTERNAL_UPDATE_IN_PROGRESS" desc="Message shown on screen when the system is updating kiosk apps from usb stick.">
+    Kiosk applications are being updated from usb stick, please wait. Do not remove the usb stick.
+  </message>  
+  <message name="IDS_KIOSK_EXTERNAL_UPDATE_NO_UPDATES" desc="Error message for no external extensions to update.">
+    No kiosk apps with newer version are found on the usb stick, nothing to update. Please remove the usb stick.
+  </message>  
+  <message name="IDS_KIOSK_EXTERNAL_UPDATE_NO_MANIFEST" desc="Error message for external update manifest file not found.">
+    Can't find kiosk external update manifest file on the usb stick, failed to update kiosk apps. Please remove the usb stick.
+  </message>
+  <message name="IDS_KIOSK_EXTERNAL_UPDATE_INVALID_MANIFEST" desc="Error message for invalid external update manifest file from usb stick.">
+    Found invalid kiosk external update manifest file on the usb stick, failed to update kiosk apps. Please remove the usb stick.
+  </message>     
+  <message name="IDS_KIOSK_EXTERNAL_UPDATE_COMPLETE" desc="Message shown on screen when the system completes updating kiosk apps from usb stick.">
+    Kiosk app updating from usb stick is completed. Please remove the usb stick from the device.
+  </message>  
+  <message name="IDS_KIOSK_EXTERNAL_UPDATE_SUCCESSFUL_UPDATED_APPS" desc="Message shown for successfully updated kiosk apps.">
+    The following kiosk apps have been updated, please reboot the device to complete the update process: <ph name="updated_apps">$1<ex>PrintApp</ex></ph>.
+  </message>
+  <message name="IDS_KIOSK_EXTERNAL_UPDATE_FAILED_UPDATED_APPS" desc="Message shown for failed updated kiosk apps.">
+    The following kiosk apps have been failed for updating: 
+  </message>    
+  <message name="IDS_KIOSK_EXTERNAL_UPDATE_BAD_CRX" desc="Error message for crx file unpacking failure.">
+    Bad crx file, unpacking failed.
+  </message>
+  <message name="IDS_KIOSK_EXTERNAL_UPDATE_SAME_APP_VERSION" desc="Error message for external extension is the same version with existing one.">
+    External extension is at the same version with existing one.
+  </message>
+  <message name="IDS_KIOSK_EXTERNAL_UPDATE_EXISTING_VERSION_NEWER" desc="Error message for external app version is older than the version of the existing one.">
+    External extension is in a version (<ph name="EXTERNAL_VERSION">$1<ex>1.0.0</ex></ph>) older than the version of the existing one (<ph name="EXISTING_VERSION">$2<ex>2.0.0</ex></ph>). 
+  </message>
+  <message name="IDS_KIOSK_EXTERNAL_UPDATE_INVALID_MIN_BROWSER_VERSION" desc="Error message for invalid minimum browser version from external extension.">
+    External extension has invalid minimum browser version data in manifest.
+  </message>
+  <message name="IDS_KIOSK_EXTERNAL_UPDATE_REQUIRE_HIGHER_BROWSER_VERSION" desc="Error message for external extension requires higher version of chrome to be installed.">
+    The external extension requires chrome version <ph name="MINIMUM_CHROME_VERSION">$1<ex>1.0.0</ex></ph> or greater to be installed.
+  </message>
+  <message name="IDS_KIOSK_EXTERNAL_UPDATE_CANNOT_COPY_CRX" desc="Error message for not being able to copy kiosk external crx file to cache.">
+    Can't copy <ph name="EXTERNAL_CRX_FILE">$1<ex>/media/usb/app_v2.crx</ex></ph> to <ph name="CACHE_CRX_FILE">$2<ex>/home/chronos/kiosk/crx/app_v2.crx</ex></ph>.
+  </message>  
 
   <!-- About Chrome page -->
   <message name="IDS_UPGRADE_BUTTON" desc="The button label to check for updates and apply (download and install) if found">