DevTools: cleanup WI.NetworkMapping nits

third_party/WebKit/Source/devtools/front_end/settings/SettingsScreen.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 291 matching lines @@
     this._fileSystemsListContainer = this.containerElement.createChild("div", "");
 
     this.containerElement.appendChild(createTextButton(WebInspector.UIString("Add folder\u2026"), this._addFileSystemClicked.bind(this)));
 
     /** @type {!Map<string, !Element>} */
     this._elementByPath = new Map();
 
     /** @type {!Map<string, !WebInspector.EditFileSystemView>} */
     this._mappingViewByPath = new Map();
 
-    var fileSystemPaths = WebInspector.isolatedFileSystemManager.fileSystemPaths();
-    for (var i = 0; i < fileSystemPaths.length; ++i)
-        this._addItem(/** @type {!WebInspector.IsolatedFileSystem} */ (WebInspector.isolatedFileSystemManager.fileSystem(fileSystemPaths[i])));
+    var fileSystems = WebInspector.isolatedFileSystemManager.fileSystems();
+    for (var i = 0; i < fileSystems.length; ++i)
+        this._addItem(fileSystems[i]);
 }
 
 WebInspector.WorkspaceSettingsTab.prototype = {
     /**
      * @return {!Element}
      */
     _createFolderExcludePatternInput: function()
     {
         var p = createElement("p");
         var labelElement = p.createChild("label");
@@ skipping 248 matching lines @@
                 return;
             var settings = extension.descriptor()["settings"];
             if (settings && settings.indexOf(setting.name) !== -1) {
                 InspectorFrontendHost.bringToFront();
                 WebInspector.SettingsScreen._showSettingsScreen(extension.descriptor()["id"]);
                 success = true;
             }
         }
     }
 }