Minor fixes to the Chrome Cleanup WebUI

chrome/browser/ui/webui/settings/chrome_cleanup_handler.cc

 // Copyright (c) 2017 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.
 
 #include "chrome/browser/ui/webui/settings/chrome_cleanup_handler.h"
 
 #include "base/command_line.h"
 #include "base/feature_list.h"
 #include "base/synchronization/lock.h"
 #include "base/values.h"
@@ skipping 102 matching lines @@
   CallJavascriptFunction("cr.webUIListenerCallback",
                          base::Value("chrome-cleanup-on-reboot-required"));
 }
 
 void ChromeCleanupHandler::HandleDismiss(const base::ListValue* args) {
   DCHECK_EQ(0U, args->GetSize());
 
   controller_->RemoveObserver(this);
 
   CallJavascriptFunction("cr.webUIListenerCallback",
-                         base::Value("chrome-cleanup-dismiss"));
+                         base::Value("chrome-cleanup-on-dismiss"));
 }
 
 void ChromeCleanupHandler::HandleRegisterChromeCleanerObserver(
     const base::ListValue* args) {
   DCHECK_EQ(0U, args->GetSize());
   // The Polymer element should never be attached if the feature is
   // disabled.
   DCHECK(
       base::FeatureList::IsEnabled(safe_browsing::kInBrowserCleanerUIFeature));
 
   AllowJavascript();
 }
 
 void ChromeCleanupHandler::HandleRestartComputer(const base::ListValue* args) {
   DCHECK_EQ(0U, args->GetSize());
 
   CallJavascriptFunction("cr.webUIListenerCallback",
                          base::Value("chrome-cleanup-on-dismiss"));
   // TODO(proberge): Show a prompt to reboot the system.
 }
 
 void ChromeCleanupHandler::HandleStartCleanup(const base::ListValue* args) {
   DCHECK_EQ(0U, args->GetSize());
 
   controller_->ReplyWithUserResponse(
       ChromeCleanerController::UserResponse::kAccepted);
 }
 
 }  // namespace settings