chromeos: Refactor ash SystemTrayDelegate enterprise methods to mojo

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 70cd53b600246367fcba755f11c59301c39054cb..922db05345a474582ee8bf999a60b6b72fb250f4 100644
--- a/chrome/app/chromeos_strings.grdp
+++ b/chrome/app/chromeos_strings.grdp
@@ -5557,12 +5557,6 @@ Battery full
   <message name="IDS_LOGIN_API_KEYS_NOTICE" desc="Notice displayed on the login screen in case if API keys are missing.">
     You will not be able to add users because Google API keys are missing. See <ph name="DETAILS_URL">$1<ex>http://www.example.com</ex></ph> for details.
   </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_DEVICE_ENTERPRISE_MANAGED_NOTICE" desc="Text for notifications showing that this device is enterprise managed.">
-    This device is enterprise managed
-  </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.">
     Managed by <ph name="DOMAIN">$1<ex>yourdomain.com</ex></ph>
   </message>