Add a notification about auto-granted access to file systems.

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 45078402a6b9d2358de56a46a3aeb54c92de4677..dc17e5d62ef33373ce802b686c46277e29212995 100644
--- a/chrome/app/chromeos_strings.grdp
+++ b/chrome/app/chromeos_strings.grdp
@@ -6132,4 +6132,11 @@ All users must sign out to continue.
   <message name="IDS_FILE_SYSTEM_REQUEST_FILE_SYSTEM_DIALOG_NO_BUTTON" desc="Label on the button to reject permissions.">
     No
   </message>
+  <message name="IDS_FILE_SYSTEM_REQUEST_FILE_SYSTEM_NOTIFICATION_MESSAGE" desc="Message in a notification about granted read-only pemissions (read, write, delete, create files and directories) to a volume (eg. USB drive, SD card, MTP device) with the specified name to the extension.">
+    Read-only access to <ph name="VOLUME_NAME">$1<ex>FooBar 4GB</ex> has been granted.</ph>
+  </message>
+  <message name="IDS_FILE_SYSTEM_REQUEST_FILE_SYSTEM_NOTIFICATION_WRITABLE_MESSAGE" desc="Message in a notification about granted full permissions (read, write, delete, create files and directories) to a volume (eg. USB drive, SD card, MTP device) with the specified name to the extension.">
+    Read and write access to <ph name="VOLUME_NAME">$1<ex>FooBar 4GB</ex> has been granted.</ph>

[jww, 2015/03/27 15:59:11]

Great, thanks!

+  </message>
+
 </grit-part>