Files.app: Remove support for chrome://files.

chrome/browser/resources/file_manager/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 463 matching lines @@
     if (util.platform.runningInBrowser()) {
       // Suppresses the default context menu.
       this.dialogDom_.addEventListener('contextmenu', function(e) {
         e.preventDefault();
         e.stopPropagation();
       });
     }
   };
 
   FileManager.prototype.onMaximize = function() {
-    // Do not maximize when running via chrome://files in a browser.
-    if (util.platform.runningInBrowser())
-      return;
-
     var appWindow = chrome.app.window.current();
     if (appWindow.isMaximized())
       appWindow.restore();
     else
       appWindow.maximize();
   };
 
   FileManager.prototype.onClose = function() {
-    // Do not close when running via chrome://files in a browser.
-    if (util.platform.runningInBrowser())
-      return;
-
     window.close();
   };
 
   /**
    * One-time initialization of commands.
    * @private
    */
   FileManager.prototype.initCommands_ = function() {
     this.commandHandler = new CommandHandler(this);
 
@@ skipping 3176 matching lines @@
       callback(this.preferences_);
       return;
     }
 
     chrome.fileBrowserPrivate.getPreferences(function(prefs) {
       this.preferences_ = prefs;
       callback(prefs);
     }.bind(this));
   };
 })();