[Hotword] Fix function name typo.

chrome/browser/ui/webui/options/browser_options_handler.cc

 // 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.
 
 #include "chrome/browser/ui/webui/options/browser_options_handler.h"
 
 #include <string>
 #include <vector>
 
 #include "apps/shell_window.h"
@@ skipping 693 matching lines @@
 
 #if defined(ENABLE_MDNS)
   if (cloud_print_mdns_ui_enabled_) {
     web_ui()->RegisterMessageCallback(
         "showCloudPrintDevicesPage",
         base::Bind(&BrowserOptionsHandler::ShowCloudPrintDevicesPage,
                    base::Unretained(this)));
   }
 #endif
   web_ui()->RegisterMessageCallback(
-      "requestHotwordAvailabile",
+      "requestHotwordAvailable",
       base::Bind(&BrowserOptionsHandler::HandleRequestHotwordAvailable,
                  base::Unretained(this)));
 }
 
 void BrowserOptionsHandler::Uninitialize() {
   registrar_.RemoveAll();
 }
 
 void BrowserOptionsHandler::OnStateChanged() {
   UpdateSyncState();
@@ skipping 977 matching lines @@
 void BrowserOptionsHandler::SetupManagingSupervisedUsers() {
   bool has_users = !Profile::FromWebUI(web_ui())->
       GetPrefs()->GetDictionary(prefs::kManagedUsers)->empty();
   base::FundamentalValue has_users_value(has_users);
   web_ui()->CallJavascriptFunction(
       "BrowserOptions.updateManagesSupervisedUsers",
       has_users_value);
 }
 
 }  // namespace options