DevTools: cleanup WI.NetworkMapping nits

third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystemManager.js

 /*
  * Copyright (C) 2012 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 190 matching lines @@
         var fileSystemPath = WebInspector.IsolatedFileSystemManager.normalizePath(embedderPath);
         var isolatedFileSystem = this._fileSystems.get(fileSystemPath);
         if (!isolatedFileSystem)
             return;
         this._fileSystems.delete(fileSystemPath);
         isolatedFileSystem.fileSystemRemoved();
         this.dispatchEventToListeners(WebInspector.IsolatedFileSystemManager.Events.FileSystemRemoved, isolatedFileSystem);
     },
 
     /**
-     * @return {!Array<string>}
+     * @return {!Array<!WebInspector.IsolatedFileSystem>}
      */
-    fileSystemPaths: function()
+    fileSystems: function()
     {
-        return this._fileSystems.keysArray();
+        return this._fileSystems.valuesArray();
     },
 
     /**
      * @param {string} fileSystemPath
      * @return {?WebInspector.IsolatedFileSystem}
      */
     fileSystem: function(fileSystemPath)
     {
         return this._fileSystems.get(fileSystemPath) || null;
     },
@@ skipping 130 matching lines @@
         this._callbacks.delete(requestId);
     },
 
     __proto__: WebInspector.Object.prototype
 }
 
 /**
  * @type {!WebInspector.IsolatedFileSystemManager}
  */
 WebInspector.isolatedFileSystemManager;