Move all webkit/fileapi tests to content_unittests

webkit/fileapi/file_system_operation_write_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/unit)
-// 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 URLRequest doesn't allow.
-//
 
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "base/scoped_temp_dir.h"
 #include "googleurl/src/gurl.h"
 #include "net/url_request/url_request.h"
@@ skipping 367 matching lines @@
   // so nothing should have happen.
   EXPECT_EQ(0, bytes_written());
   EXPECT_EQ(base::PLATFORM_FILE_ERROR_ABORT, status());
   EXPECT_EQ(base::PLATFORM_FILE_OK, cancel_status());
   EXPECT_TRUE(complete());
 }
 
 // TODO(ericu,dmikurube,kinuko): Add more tests for cancel cases.
 
 }  // namespace fileapi