[Files.app] Show files beginning with '.' (dot)

chrome/browser/resources/file_manager/foreground/js/file_manager.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 'use strict';
 
 /**
  * FileManager constructor.
  *
  * FileManager objects encapsulate the functionality of the file selector
@@ skipping 889 matching lines @@
         this.dialogType == DialogType.SELECT_UPLOAD_FOLDER ||
         this.dialogType == DialogType.SELECT_SAVEAS_FILE;
 
     var showSpecialSearchRoots =
         this.dialogType == DialogType.SELECT_OPEN_FILE ||
         this.dialogType == DialogType.SELECT_OPEN_MULTI_FILE ||
         this.dialogType == DialogType.FULL_PAGE;
 
     this.fileFilter_ = new FileFilter(
         this.metadataCache_,
-        false  /* Don't show dot files by default. */);
+        true /* Show dot files by default. */);
 
     this.fileWatcher_ = new FileWatcher(this.metadataCache_);
     this.fileWatcher_.addEventListener(
         'watcher-metadata-changed',
         this.onWatcherMetadataChanged_.bind(this));
 
     this.directoryModel_ = new DirectoryModel(
         singleSelection,
         this.fileFilter_,
         this.fileWatcher_,
@@ skipping 2681 matching lines @@
       callback(this.preferences_);
       return;
     }
 
     chrome.fileBrowserPrivate.getPreferences(function(prefs) {
       this.preferences_ = prefs;
       callback(prefs);
     }.bind(this));
   };
 })();