Add support for directory access to the file system API.

chrome/test/data/extensions/api_test/file_system/open_directory_with_write/test.js

Index: chrome/test/data/extensions/api_test/file_system/open_directory_with_write/test.js
diff --git a/chrome/test/data/extensions/api_test/file_system/open_directory_with_write/test.js b/chrome/test/data/extensions/api_test/file_system/open_directory_with_write/test.js
new file mode 100644
index 0000000000000000000000000000000000000000..5549b1a30ad0d3ac2d0ba2832364764b40d01711
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/file_system/open_directory_with_write/test.js
@@ -0,0 +1,98 @@
+// Copyright 2013 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.
+
+chrome.test.runTests([
+  function moveFile() {
+    chrome.fileSystem.chooseEntry(
+        {type: 'openDirectory'},
+        chrome.test.callbackPass(function(directoryEntry) {
+      directoryEntry.getFile(
+          'open_existing.txt', {}, chrome.test.callback(function(entry) {
+        entry.copyTo(
+            directoryEntry, 'to_move.txt', chrome.test.callback(function(copy) {
+          copy.moveTo(
+              directoryEntry, 'moved.txt', chrome.test.callback(function(move) {
+            directoryEntry.getFile(
+                'to_move.txt', {}, chrome.test.callback(function(entry) {
+              chrome.test.fail('Could open move source');
+            }), chrome.test.callback(function() {
+              checkEntry(move, 'moved.txt', false, true);
+            }));
+          }), chrome.test.callback(function() {
+            chrome.test.fail('Failed to move file');
+          }));
+        }), chrome.test.callback(function() {
+          chrome.test.fail('Failed to copy file');
+        }));
+      }), chrome.test.callback(function() {
+        chrome.test.fail('Failed to open file');
+      }));
+    }))
+  },
+  function copyFile() {
+    chrome.fileSystem.chooseEntry(
+        {type: 'openDirectory'},
+        chrome.test.callbackPass(function(directoryEntry) {
+      directoryEntry.getFile(
+          'open_existing.txt', {}, chrome.test.callback(function(entry) {
+        entry.copyTo(
+            directoryEntry, 'copy.txt', chrome.test.callback(function(copy) {
+          checkEntry(copy, 'copy.txt', false, true);
+        }), chrome.test.callback(function() {
+          chrome.test.fail('Failed to copy file');
+        }));
+      }), chrome.test.callback(function() {
+        chrome.test.fail('Failed to open file');
+      }));
+    }));
+  },
+  function createFile() {
+    chrome.fileSystem.chooseEntry(
+        {type: 'openDirectory'},
+        chrome.test.callbackPass(function(directoryEntry) {
+      directoryEntry.getFile(
+          'new.txt', {create: true}, chrome.test.callback(function(entry) {
+        checkEntry(entry, 'new.txt', true, true);
+      }), chrome.test.callback(function(err) {
+        chrome.test.fail('Failed to create file');
+      }));
+    }));
+  },
+  function createDirectory() {
+    chrome.fileSystem.chooseEntry(
+        {type: 'openDirectory'},
+        chrome.test.callbackPass(function(directoryEntry) {
+      directoryEntry.getDirectory(
+          'new', {create: true}, chrome.test.callback(function(entry) {
+        chrome.test.assertEq(entry.name, 'new');
+        chrome.test.succeed();
+      }), chrome.test.callback(function(err) {
+        chrome.test.fail('Failed to create directory');
+      }));
+    }));
+  },
+  function removeFile() {
+    chrome.fileSystem.chooseEntry(
+        {type: 'openDirectory'},
+        chrome.test.callbackPass(function(directoryEntry) {
+      directoryEntry.getFile(
+          'remove.txt', {create: true},
+          chrome.test.callback(function(entry) {
+        entry.remove(chrome.test.callback(function() {
+          directoryEntry.getFile(
+              'remove.txt', {},
+              chrome.test.callback(function() {
+            chrome.test.fail('Could open deleted file');
+          }), chrome.test.callback(function() {
+            chrome.test.succeed();
+          }))
+        }), chrome.test.callback(function() {
+            chrome.test.fail('Failed to delete file');
+        }));
+      }), chrome.test.callback(function(err) {
+        chrome.test.fail('Failed to create file');
+      }));
+    }));
+  }
+]);