Notify plugin when disabling daemon.

remoting/host/me2me_preference_pane.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "remoting/host/me2me_preference_pane.h"
 
 #import <Cocoa/Cocoa.h>
 #include <CommonCrypto/CommonHMAC.h>
 #include <launch.h>
 #import <PreferencePanes/PreferencePanes.h>
@@ skipping 208 matching lines @@
   // Ensure the authorization token is up-to-date before using it.
   [self updateAuthorizationStatus];
   [self updateUI];
   if (!is_pane_unlocked_)
     return;
 
   if (![self runHelperAsRootWithCommand:"--disable"
                               inputData:""]) {
     LOG(ERROR) << "Failed to run the helper tool";
     [self showError];
+    [self notifyPlugin: kUpdateFailedNotificationName];
     return;
   }
 
   // Stop the launchd job.  This cannot easily be done by the helper tool,
   // since the launchd job runs in the current user's context.
   [self sendJobControlMessage:LAUNCH_KEY_STOPJOB];
+
+  [self notifyPlugin: kUpdateSucceededNotificationName];
 }
 
 - (void)onNewConfigFile:(NSNotification*)notification {
   [self readNewConfig];
   [self updateUI];
 }
 
 - (void)refreshServiceStatus:(NSTimer*)timer {
   BOOL was_running = is_service_running_;
   [self updateServiceStatus];
@@ skipping 246 matching lines @@
 - (void)notifyPlugin:(const char*)message {
   NSDistributedNotificationCenter* center =
       [NSDistributedNotificationCenter defaultCenter];
   NSString* name = [NSString stringWithUTF8String:message];
   [center postNotificationName:name
                         object:nil
                       userInfo:nil];
 }
 
 @end