Move all webkit/fileapi tests to content_unittests

webkit/fileapi/local_file_writer_unittest.cc

 // 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.
 
-// 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_writer.h"
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 131 matching lines @@
 
   scoped_refptr<net::StringIOBuffer> buffer(new net::StringIOBuffer("xxx"));
   int result = writer->Write(buffer, buffer->size(), base::Bind(&NeverCalled));
   ASSERT_EQ(net::ERR_IO_PENDING, result);
 
   net::TestCompletionCallback callback;
   writer->Cancel(callback.callback());
   int cancel_result = callback.WaitForResult();
   EXPECT_EQ(net::OK, cancel_result);
 }