Move all webkit/fileapi tests to content_unittests

webkit/fileapi/local_file_stream_writer_unittest.cc

Index: webkit/fileapi/local_file_stream_writer_unittest.cc
diff --git a/webkit/fileapi/local_file_stream_writer_unittest.cc b/webkit/fileapi/local_file_stream_writer_unittest.cc
index 9b2ad7ad50b9fb2790333c3faeab8f529b17b5c8..69c5ce38806a80986673bb8a217ef8445c57811b 100644
--- a/webkit/fileapi/local_file_stream_writer_unittest.cc
+++ b/webkit/fileapi/local_file_stream_writer_unittest.cc
@@ -2,11 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// NOTE: These tests are run as part of "unit_tests" (in chrome/test) rather
-// than as part of test_shell_tests because they rely on being able to
-// instantiate a MessageLoop of type TYPE_IO.  test_shell_tests uses TYPE_UI,
-// which net::TestCompletionCallback doesn't allow.
-
 #include "webkit/fileapi/local_file_stream_writer.h"
 
 #include <string>