Move over a bunch of tests from browser_tests to content_browsertests.

chrome/test/data/fileapi/common.js

-// Copyright (c) 2011 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.
-
-function debug(message)
-{
-  document.getElementById('status').innerHTML += '<br/>' + message;
-}
-
-function done(message)
-{
-  if (document.location.hash == '#fail')
-    return;
-  if (message)
-    debug('PASS: ' + message);
-  else
-    debug('PASS');
-  document.location.hash = '#pass';
-}
-
-function fail(message)
-{
-  debug('FAILED: ' + message);
-  document.location.hash = '#fail';
-}
-
-function getLog()
-{
-  return '' + document.getElementById('status').innerHTML;
-}
-
-function fileErrorToString(e)
-{
-  switch (e.code) {
-    case FileError.QUOTA_EXCEEDED_ERR:
-      return 'QUOTA_EXCEEDED_ERR';
-    case FileError.NOT_FOUND_ERR:
-      return 'NOT_FOUND_ERR';
-    case FileError.SECURITY_ERR:
-      return 'SECURITY_ERR';
-    case FileError.INVALID_MODIFICATION_ERR:
-      return 'INVALID_MODIFICATION_ERR';
-    case FileError.INVALID_STATE_ERR:
-      return 'INVALID_STATE_ERR';
-    default:
-      return 'Unknown Error';
-  }
-}
-
-function unexpectedErrorCallback(e)
-{
-  fail('unexpectedErrorCallback:' + fileErrorToString(e));
-}