Settings People Revamp: Update PeopleHandler to use JS lifecycle calls.

chrome/browser/ui/webui/settings/people_handler.h

 // Copyright 2015 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_SETTINGS_PEOPLE_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SETTINGS_PEOPLE_HANDLER_H_
 
 #include <memory>
 
 #include "base/gtest_prod_util.h"
@@ skipping 36 matching lines @@
   static const char kConfigurePageStatus[];
   static const char kTimeoutPageStatus[];
   static const char kDonePageStatus[];
   static const char kPassphraseFailedPageStatus[];
 
   explicit PeopleHandler(Profile* profile);
   ~PeopleHandler() override;
 
   // SettingsPageUIHandler implementation.
   void RegisterMessages() override;
+  void OnJavascriptAllowed() override;
+  void OnJavascriptDisallowed() override;
 
   // SyncStartupTracker::Observer implementation.
   void SyncStartupCompleted() override;
   void SyncStartupFailed() override;
 
   // LoginUIService::LoginUI implementation.
   void FocusUI() override;
   void CloseUI() override;
 
   // SigninManagerBase::Observer implementation.
@@ skipping 134 matching lines @@
 
   // Manages observer lifetime.
   ScopedObserver<ProfileSyncService, PeopleHandler> sync_service_observer_;
 
   DISALLOW_COPY_AND_ASSIGN(PeopleHandler);
 };
 
 }  // namespace settings
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SETTINGS_PEOPLE_HANDLER_H_