DevTools: Fix eslint errors

third_party/WebKit/Source/devtools/front_end/workspace/IsolatedFileSystem.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 198 matching lines @@
             function fileCreated(entry)
             {
                 callback(entry.fullPath.substr(1));
             }
 
             /**
              * @this {WebInspector.IsolatedFileSystem}
              */
             function fileCreationError(error)
             {
-                if (error.name === 'InvalidModificationError') {
+                if (error.name === "InvalidModificationError") {
                     dirEntryLoaded.call(this, dirEntry);
                     return;
                 }
 
                 var errorMessage = WebInspector.IsolatedFileSystem.errorMessage(error);
                 console.error(errorMessage + " when testing if file exists '" + (this._path + "/" + path + "/" + nameCandidate) + "'");
                 callback(null);
             }
         }
 
@@ skipping 87 matching lines @@
                 console.error("Can't read file: " + path + ": " + e);
             }
             callback(string);
         }
 
         /**
          * @this {WebInspector.IsolatedFileSystem}
          */
         function errorHandler(error)
         {
-            if (error.name === 'NotFoundError') {
+            if (error.name === "NotFoundError") {
                 callback(null);
                 return;
             }
 
             var errorMessage = WebInspector.IsolatedFileSystem.errorMessage(error);
             console.error(errorMessage + " when getting content for file '" + (this._path + "/" + path) + "'");
             callback(null);
         }
     },
 
@@ skipping 93 matching lines @@
         function newFileEntryLoaded(entry)
         {
             callback(false);
         }
 
         /**
          * @this {WebInspector.IsolatedFileSystem}
          */
         function newFileEntryLoadErrorHandler(error)
         {
-            if (error.name !== 'NotFoundError') {
+            if (error.name !== "NotFoundError") {
                 callback(false);
                 return;
             }
             fileEntry.moveTo(dirEntry, newName, fileRenamed, errorHandler.bind(this));
         }
 
         /**
          * @param {!FileEntry} entry
          */
         function fileRenamed(entry)
@@ skipping 158 matching lines @@
     /**
      * @param {!WebInspector.Progress} progress
      */
     indexContent: function(progress)
     {
         progress.setTotalWork(1);
         var requestId = this._manager.registerProgress(progress);
         InspectorFrontendHost.indexPath(requestId, this._embedderPath);
     }
 }