Move file_util to base/files/ directory.

base/files/scoped_temp_dir_unittest.cc

 // 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.
 
 #include <string>
 
-#include "base/file_util.h"
 #include "base/files/file.h"
+#include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 
 TEST(ScopedTempDir, FullPath) {
   FilePath test_path;
   base::CreateNewTempDirectory(FILE_PATH_LITERAL("scoped_temp_dir"),
                                &test_path);
 
@@ skipping 85 matching lines @@
   EXPECT_EQ(base::File::FILE_OK, file.error_details());
   EXPECT_FALSE(dir.Delete());  // We should not be able to delete.
   EXPECT_FALSE(dir.path().empty());  // We should still have a valid path.
   file.Close();
   // Now, we should be able to delete.
   EXPECT_TRUE(dir.Delete());
 }
 #endif  // defined(OS_WIN)
 
 }  // namespace base