[DevTools] Remove HelpScreen, turn SettingsScreen into dialog and web component.

third_party/WebKit/Source/devtools/front_end/settings/EditFileSystemDialog.js

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 18 matching lines @@
  */
 
 /**
  * @constructor
  * @extends {WebInspector.VBox}
  * @param {string} fileSystemPath
  */
 WebInspector.EditFileSystemDialog = function(fileSystemPath)
 {
     WebInspector.VBox.call(this);
+    this.registerRequiredCSS("settings/settingsScreen.css");
     this.element.classList.add("dialog-contents", "settings-dialog", "settings-tab");
     this._fileSystemPath = fileSystemPath;
 
     var header = this.element.createChild("div", "header");
     var headerText = header.createChild("span");
     headerText.textContent = WebInspector.UIString("Edit file system");
 
     var contents = this.element.createChild("div", "contents");
 
     WebInspector.fileSystemMapping.addEventListener(WebInspector.FileSystemMapping.Events.FileMappingAdded, this._fileMappingAdded, this);
@@ skipping 42 matching lines @@
     for (var folder of WebInspector.isolatedFileSystemManager.fileSystem(fileSystemPath).nonConfigurableExcludedFolders().values())
         this._addExcludedFolderRow(folder, true);
     for (var folder of WebInspector.isolatedFileSystemManager.fileSystem(fileSystemPath).excludedFolders().values())
         this._addExcludedFolderRow(folder, false);
 
     this.element.tabIndex = 0;
     this._hasMappingChanges = false;
 
     this._dialog = new WebInspector.Dialog();
     this._dialog.setWrapsContent(true);
-    this._dialog.setMaxSize(new Size(600, 600));
+    this._dialog.setMaxSize(new Size(800, 600));
     this._dialog.addCloseButton();
     this.show(this._dialog.element);
     this._dialog.show();
 }
 
 WebInspector.EditFileSystemDialog.show = function(fileSystemPath)
 {
     new WebInspector.EditFileSystemDialog(fileSystemPath);
 }
 
@@ skipping 268 matching lines @@
         for (var key in this._entries) {
             var entry = this._entries[key];
             if (entry.configurable && entry.pathPrefix === prefix)
                 return false;
         }
         return true;
     },
 
     __proto__: WebInspector.VBox.prototype
 }