DevTools: create help sub-menu

third_party/WebKit/Source/devtools/front_end/main/Main.js

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2007 Matt Lilek (pewtermoose@gmail.com).
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 728 matching lines @@
     var extensions = self.runtime.extensions('view', undefined, true);
     for (var extension of extensions) {
       var descriptor = extension.descriptor();
       if (descriptor['persistence'] !== 'closeable')
         continue;
       if (descriptor['location'] !== 'drawer-view' && descriptor['location'] !== 'panel')
         continue;
       moreTools.appendItem(extension.title(), UI.viewManager.showView.bind(UI.viewManager, descriptor['id']));
     }
 
+    var helpSubMenu = contextMenu.namedSubMenu('mainMenuHelp');
+    helpSubMenu.appendAction('settings.documentation');
+    if (Runtime.experiments.isEnabled('releaseNote'))
+      helpSubMenu.appendItem('Release Notes', () => InspectorFrontendHost.openInNewTab(Help.latestReleaseNote().link));
     contextMenu.show();
   }
 };
 
 /**
  * @unrestricted
  */
 Main.NetworkPanelIndicator = class {
   constructor() {
     // TODO: we should not access network from other modules.
@@ skipping 222 matching lines @@
    * @override
    * @return {?Element}
    */
   settingElement() {
     return UI.SettingsUI.createSettingCheckbox(
         Common.UIString('Show rulers'), Common.moduleSetting('showMetricsRulers'));
   }
 };
 
 new Main.Main();