Add oem mount point to cros_mount_provider.

chrome/test/data/extensions/api_test/filebrowser_component/remote.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.
 
 // This test file checks if we can read the expected contents
 // (kExpectedContents) from the target file (kFileName). We will try to read
 // the file directly, and using a filesystem handler
 // (chorme/test/data/extensions/api_test/filesystem_handler/). What's
 // interesting is that we'll read the file via a remote mount point.
 // See external_filesystem_apitest.cc for how this is set up.
 
 // These should match the counterparts in feeds used in
 // external_filesystem_apitest.cc.
 // The feeds are located in chrome/test/data/chromeos/drive/.
 var kDirectoryPath = 'drive/Folder';
 var kFileName = 'File.aBc';
-var kExpectedContents = 'hello, world\0';
+var kExpectedContents = 'hello, world!';
 var kWriteOffset = 12;
 var kWriteData = '!!!';
 var kExpectedAfterWrite = 'hello, world!!!';
 var kTruncateShortLength = 5;
 var kExpectedAfterTruncateShort = 'hello';
 var kTruncateLongLength = 7;
 var kExpectedAfterTruncateLong = 'hello\0\0';
 var kNewDirectoryPath = 'drive/FolderNew';
 var kFileManagerExtensionId = 'hhaomjibdihmijegdhdafkllkbggdgoj';
 
@@ skipping 272 matching lines @@
     testRunner.runCancelTest(kFileName, 'write');
   },
   function cancelTruncate() {
     testRunner.runCancelTest(kFileName, 'truncate');
   },
   function createDir() {
     // Creates new directory.
     testRunner.runGetDirTest(kNewDirectoryPath, true);
   },
 ]);