Add support for persistent file access in apps.

chrome/renderer/resources/extensions/app_runtime_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 chrome.app.runtime API.
 
 var binding = require('binding').Binding.create('app.runtime');
 
 var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
 var chrome = requireNative('chrome').GetChrome();
 var fileSystemHelpers = requireNative('file_system_natives');
 var forEach = require('utils').forEach;
 var GetIsolatedFileSystem = fileSystemHelpers.GetIsolatedFileSystem;
 var appNatives = requireNative('app_runtime');
 var DeserializeString = appNatives.DeserializeString;
 var SerializeToString = appNatives.SerializeToString;
 var CreateBlob = appNatives.CreateBlob;
 var entryIdManager = require('entryIdManager');
 
-chromeHidden.Event.registerArgumentMassager('app.runtime.onRestarted',
-    function(args, dispatch) {
-  // These file entries don't get dispatched, we just use this hook to register
-  // them all with entryIdManager.
-  var fileEntries = args[0];
-
-  var pendingCallbacks = fileEntries.length;
-
-  var dispatchIfNoPendingCallbacks = function() {
-    if (pendingCallbacks == 0)
-      dispatch([]);
-  };
-
-  for (var i = 0; i < fileEntries.length; i++) {
-    var fe = fileEntries[i];
-    var fs = GetIsolatedFileSystem(fe.fileSystemId);
-    (function(fe, fs) {
-      fs.root.getFile(fe.baseName, {}, function(fileEntry) {
-        entryIdManager.registerEntry(fe.id, fileEntry);
-        pendingCallbacks--;
-        dispatchIfNoPendingCallbacks();
-      }, function(err) {
-        console.error('Error getting fileEntry, code: ' + err.code);
-        pendingCallbacks--;
-        dispatchIfNoPendingCallbacks();
-      });
-    })(fe, fs);
-  }
-  dispatchIfNoPendingCallbacks();
-});
-
 chromeHidden.Event.registerArgumentMassager('app.runtime.onLaunched',
     function(args, dispatch) {
   var launchData = args[0];
 
   if (launchData && typeof launchData.id !== 'undefined') {
     // new-style dispatch.
     var items = []
     var numItems = launchData.items.length;
     var itemLoaded = function(err, item) {
       if (err) {
@@ skipping 20 matching lines @@
       });
     });
   } else if (launchData) {
     dispatch([launchData]);
   } else {
     dispatch([]);
   }
 });
 
 exports.binding = binding.generate();