Implemented consumer management unenrollment.

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 5858 matching lines @@
   </message>
   <message name="IDS_CONSUMER_MANAGEMENT_ENROLLMENT_NOTIFICATION_BODY" desc="The body of the desktop notification shown when consumer management enrollment is completed">
     You can now lock this device remotely anytime on Chrome Manager.
   </message>
   <message name="IDS_CONSUMER_MANAGEMENT_ENROLLMENT_FAILURE_NOTIFICATION_TITLE" desc="The title of the desktop notification shown when consumer management enrollment fails">
     Unable to enroll
   </message>
   <message name="IDS_CONSUMER_MANAGEMENT_ENROLLMENT_FAILURE_NOTIFICATION_BODY" desc="The body of the desktop notification shown when consumer management enrollment fails">
     Enrollment in Google Device Manager was not successful.
   </message>
+  <message name="IDS_CONSUMER_MANAGEMENT_UNENROLLMENT_NOTIFICATION_TITLE" desc="The title of the desktop notification shown when consumer management unenrollment is completed">
+    Unenrolled
+  </message>
+  <message name="IDS_CONSUMER_MANAGEMENT_UNENROLLMENT_NOTIFICATION_BODY" desc="The body of the desktop notification shown when consumer management unenrollment is completed">
+    This device can no longer be managed remotely by the owner (you).
+  </message>
+  <message name="IDS_CONSUMER_MANAGEMENT_UNENROLLMENT_FAILURE_NOTIFICATION_TITLE" desc="The title of the desktop notification shown when consumer management unenrollment fails">
+    Failed to unenroll
+  </message>
+  <message name="IDS_CONSUMER_MANAGEMENT_UNENROLLMENT_FAILURE_NOTIFICATION_BODY" desc="The body of the desktop notification shown when consumer management unenrollment fails">
+    Unenrollment from remote management was not successful.
+  </message>
   <message name="IDS_CONSUMER_MANAGEMENT_NOTIFICATION_MODIFY_SETTINGS_BUTTON" desc="The label of the modify settings button on the desktop notification shown when consumer management enrollment or unenrollment is completed">
     Modify settings
   </message>
   <message name="IDS_CONSUMER_MANAGEMENT_NOTIFICATION_TRY_AGAIN_BUTTON" desc="The label of the modify settings button on the desktop notification shown when consumer management enrollment or unenrollment fails">
     Try again
   </message>
 
   <!-- Set time/date UI display strings -->
   <message name="IDS_SET_TIME_TITLE" desc="Title of the set time/date UI.">
     Check your system time
   </message>
   <message name="IDS_SET_TIME_PROMPT" desc="Text prompting the user to check and set the system time.">
     Chrome was unable to set the system time. Please check the time below and correct it if needed.
   </message>
   <message name="IDS_SET_TIME_BUTTON_CLOSE" desc="Text for the button to close the window.">
     Done
   </message>
   <message name="IDS_SET_TIME_DATE_LABEL" desc="Label for the date input element.">
     System date
   </message>
   <message name="IDS_SET_TIME_TIME_LABEL" desc="Label for the time input element.">
     System time
   </message>
 </grit-part>