Implement chrome.fileSystem.requestFileSystem().

chrome/renderer/resources/extensions/file_manager_private_custom_bindings.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.
 
 // Custom binding for the fileManagerPrivate API.
 
 // Bindings
 var binding = require('binding').Binding.create('fileManagerPrivate');
 var eventBindings = require('event_bindings');
 
 // Natives
 var fileManagerPrivateNatives = requireNative('file_manager_private');
 var fileBrowserHandlerNatives = requireNative('file_browser_handler');
 
 // Internals
 var fileManagerPrivateInternal =
     require('binding').Binding.create('fileManagerPrivateInternal').generate();
 
 // Shorthands
 var GetFileSystem = fileManagerPrivateNatives.GetFileSystem;
 var GetExternalFileEntry = fileBrowserHandlerNatives.GetExternalFileEntry;
 
 binding.registerCustomHook(function(bindingsAPI) {
   var apiFunctions = bindingsAPI.apiFunctions;
 
-  apiFunctions.setCustomCallback('requestFileSystem',
-      function(name, request, callback, response) {
-    var fs = null;
-    if (response && !response.error)
-      fs = GetFileSystem(response.name, response.root_url);
-    if (callback)
-      callback(fs);
-  });
-
   apiFunctions.setCustomCallback('searchDrive',
       function(name, request, callback, response) {
     if (response && !response.error && response.entries) {
       response.entries = response.entries.map(function(entry) {
         return GetExternalFileEntry(entry);
       });
     }
 
     // So |callback| doesn't break if response is not defined.
     if (!response)
@@ skipping 35 matching lines @@
 });
 
 eventBindings.registerArgumentMassager(
     'fileManagerPrivate.onDirectoryChanged', function(args, dispatch) {
   // Convert the entry arguments into a real Entry object.
   args[0].entry = GetExternalFileEntry(args[0].entry);
   dispatch(args);
 });
 
 exports.binding = binding.generate();