DevTools: roll closure compiler to 20161201.

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 89 matching lines @@
     return Common.UIString('File system error: %s', error.message);
   }
 
   /**
    * @param {string} path
    * @return {!Promise<?{modificationTime: !Date, size: number}>}
    */
   getMetadata(path) {
     var fulfill;
     var promise = new Promise(f => fulfill = f);
-    this._domFileSystem.root.getFile(path, null, fileEntryLoaded, errorHandler);
+    this._domFileSystem.root.getFile(path, undefined, fileEntryLoaded, errorHandler);
     return promise;
 
     /**
      * @param {!FileEntry} entry
      */
     function fileEntryLoaded(entry) {
       entry.getMetadata(fulfill, errorHandler);
     }
 
     /**
@@ skipping 100 matching lines @@
    * @param {string} path
    * @param {?string} name
    * @param {function(?string)} callback
    */
   createFile(path, name, callback) {
     var newFileIndex = 1;
     if (!name)
       name = 'NewFile';
     var nameCandidate;
 
-    this._domFileSystem.root.getDirectory(path, null, dirEntryLoaded.bind(this), errorHandler.bind(this));
+    this._domFileSystem.root.getDirectory(path, undefined, dirEntryLoaded.bind(this), errorHandler.bind(this));
 
     /**
      * @param {!DirectoryEntry} dirEntry
      * @this {Workspace.IsolatedFileSystem}
      */
     function dirEntryLoaded(dirEntry) {
       var nameCandidate = name;
       if (newFileIndex > 1)
         nameCandidate += newFileIndex;
       ++newFileIndex;
@@ skipping 29 matching lines @@
         filePath += '/' + nameCandidate;
       console.error(errorMessage + ' when getting content for file \'' + (filePath) + '\'');
       callback(null);
     }
   }
 
   /**
    * @param {string} path
    */
   deleteFile(path) {
-    this._domFileSystem.root.getFile(path, null, fileEntryLoaded.bind(this), errorHandler.bind(this));
+    this._domFileSystem.root.getFile(path, undefined, fileEntryLoaded.bind(this), errorHandler.bind(this));
 
     /**
      * @param {!FileEntry} fileEntry
      * @this {Workspace.IsolatedFileSystem}
      */
     function fileEntryLoaded(fileEntry) {
       fileEntry.remove(fileEntryRemoved, errorHandler.bind(this));
     }
 
     function fileEntryRemoved() {
@@ skipping 20 matching lines @@
     var promise = new Promise(x => fulfill = x);
     this.requestFileContent(path, fulfill);
     return promise;
   }
 
   /**
    * @param {string} path
    * @param {function(?string)} callback
    */
   requestFileContent(path, callback) {
-    this._domFileSystem.root.getFile(path, null, fileEntryLoaded.bind(this), errorHandler.bind(this));
+    this._domFileSystem.root.getFile(path, undefined, fileEntryLoaded.bind(this), errorHandler.bind(this));
 
     /**
      * @param {!FileEntry} entry
      * @this {Workspace.IsolatedFileSystem}
      */
     function fileEntryLoaded(entry) {
       entry.file(fileLoaded, errorHandler.bind(this));
     }
 
     /**
@@ skipping 87 matching lines @@
    */
   renameFile(path, newName, callback) {
     newName = newName ? newName.trim() : newName;
     if (!newName || newName.indexOf('/') !== -1) {
       callback(false);
       return;
     }
     var fileEntry;
     var dirEntry;
 
-    this._domFileSystem.root.getFile(path, null, fileEntryLoaded.bind(this), errorHandler.bind(this));
+    this._domFileSystem.root.getFile(path, undefined, fileEntryLoaded.bind(this), errorHandler.bind(this));
 
     /**
      * @param {!FileEntry} entry
      * @this {Workspace.IsolatedFileSystem}
      */
     function fileEntryLoaded(entry) {
       if (entry.name === newName) {
         callback(false);
         return;
       }
@@ skipping 74 matching lines @@
       console.error(errorMessage + ' when reading directory \'' + dirEntry.fullPath + '\'');
       callback([]);
     }
   }
 
   /**
    * @param {string} path
    * @param {function(!Array.<!FileEntry>)} callback
    */
   _requestEntries(path, callback) {
-    this._domFileSystem.root.getDirectory(path, null, innerCallback.bind(this), errorHandler);
+    this._domFileSystem.root.getDirectory(path, undefined, innerCallback.bind(this), errorHandler);
 
     /**
      * @param {!DirectoryEntry} dirEntry
      * @this {Workspace.IsolatedFileSystem}
      */
     function innerCallback(dirEntry) {
       this._readDirectory(dirEntry, callback);
     }
 
     function errorHandler(error) {
@@ skipping 82 matching lines @@
    */
   indexContent(progress) {
     progress.setTotalWork(1);
     var requestId = this._manager.registerProgress(progress);
     InspectorFrontendHost.indexPath(requestId, this._embedderPath);
   }
 };
 
 Workspace.IsolatedFileSystem.ImageExtensions =
     new Set(['jpeg', 'jpg', 'svg', 'gif', 'webp', 'png', 'ico', 'tiff', 'tif', 'bmp']);