Move chrome.fileSystem interface and bindings to //extensions

chrome/renderer/resources/extensions/file_system_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 fileSystem API.
-
-var binding = apiBridge || require('binding').Binding.create('fileSystem');
-var sendRequest = bindingUtil ?
-    $Function.bind(bindingUtil.sendRequest, bindingUtil) :
-    require('sendRequest').sendRequest;
-var getFileBindingsForApi =
-    require('fileEntryBindingUtil').getFileBindingsForApi;
-var fileBindings = getFileBindingsForApi('fileSystem');
-var bindFileEntryCallback = fileBindings.bindFileEntryCallback;
-var entryIdManager = fileBindings.entryIdManager;
-var fileSystemNatives = requireNative('file_system_natives');
-var safeCallbackApply = require('uncaught_exception_handler').safeCallbackApply;
-
-binding.registerCustomHook(function(bindingsAPI) {
-  var apiFunctions = bindingsAPI.apiFunctions;
-  var fileSystem = bindingsAPI.compiledApi;
-
-  function bindFileEntryFunction(functionName) {
-    apiFunctions.setUpdateArgumentsPostValidate(
-        functionName, function(fileEntry, callback) {
-      var fileSystemName = fileEntry.filesystem.name;
-      var relativePath = $String.slice(fileEntry.fullPath, 1);
-      return [fileSystemName, relativePath, callback];
-    });
-  }
-  $Array.forEach(['getDisplayPath', 'getWritableEntry', 'isWritableEntry'],
-                  bindFileEntryFunction);
-
-  $Array.forEach(['getWritableEntry', 'chooseEntry', 'restoreEntry'],
-                  function(functionName) {
-    bindFileEntryCallback(functionName, apiFunctions);
-  });
-
-  apiFunctions.setHandleRequest('retainEntry', function(fileEntry) {
-    var id = entryIdManager.getEntryId(fileEntry);
-    if (!id)
-      return '';
-    var fileSystemName = fileEntry.filesystem.name;
-    var relativePath = $String.slice(fileEntry.fullPath, 1);
-
-    sendRequest('fileSystem.retainEntry', [id, fileSystemName, relativePath],
-                bindingUtil ? undefined : this.definition.parameters);
-    return id;
-  });
-
-  apiFunctions.setHandleRequest('isRestorable',
-      function(id, callback) {
-    var savedEntry = entryIdManager.getEntryById(id);
-    if (savedEntry) {
-      safeCallbackApply('fileSystem.isRestorable', {}, callback, [true]);
-    } else {
-      sendRequest('fileSystem.isRestorable', [id, callback],
-                  bindingUtil ? undefined : this.definition.parameters);
-    }
-  });
-
-  apiFunctions.setUpdateArgumentsPostValidate('restoreEntry',
-      function(id, callback) {
-    var savedEntry = entryIdManager.getEntryById(id);
-    if (savedEntry) {
-      // We already have a file entry for this id so pass it to the callback and
-      // send a request to the browser to move it to the back of the LRU.
-      safeCallbackApply('fileSystem.restoreEntry', {}, callback, [savedEntry]);
-      return [id, false, null];
-    } else {
-      // Ask the browser process for a new file entry for this id, to be passed
-      // to |callback|.
-      return [id, true, callback];
-    }
-  });
-
-  apiFunctions.setCustomCallback('requestFileSystem',
-      function(name, request, callback, response) {
-    var fileSystem;
-    if (response && response.file_system_id) {
-      fileSystem = fileSystemNatives.GetIsolatedFileSystem(
-          response.file_system_id, response.file_system_path);
-    }
-    safeCallbackApply('fileSystem.requestFileSystem', request, callback,
-                      [fileSystem]);
-  });
-
-  // TODO(benwells): Remove these deprecated versions of the functions.
-  fileSystem.getWritableFileEntry = function() {
-    console.log("chrome.fileSystem.getWritableFileEntry is deprecated");
-    console.log("Please use chrome.fileSystem.getWritableEntry instead");
-    $Function.apply(fileSystem.getWritableEntry, this, arguments);
-  };
-
-  fileSystem.isWritableFileEntry = function() {
-    console.log("chrome.fileSystem.isWritableFileEntry is deprecated");
-    console.log("Please use chrome.fileSystem.isWritableEntry instead");
-    $Function.apply(fileSystem.isWritableEntry, this, arguments);
-  };
-
-  fileSystem.chooseFile = function() {
-    console.log("chrome.fileSystem.chooseFile is deprecated");
-    console.log("Please use chrome.fileSystem.chooseEntry instead");
-    $Function.apply(fileSystem.chooseEntry, this, arguments);
-  };
-});
-
-if (!apiBridge)
-  exports.$set('binding', binding.generate());