Misc. cleanup, primarily removing unused locals.

content/browser/fileapi/obfuscated_file_util_unittest.cc

 // Copyright 2013 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 <set>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/files/file.h"
@@ skipping 2169 matching lines @@
   ASSERT_EQ(expected_total_file_size, ComputeTotalFileSize());
 
   int64 from_file_size = 1020;
   expected_total_file_size += from_file_size;
   ASSERT_EQ(base::File::FILE_OK,
             ofu()->Truncate(
                 AllowUsageIncrease(from_file_size)->context(),
                 from_file, from_file_size));
   ASSERT_EQ(expected_total_file_size, ComputeTotalFileSize());
 
-  int64 to_file_size ALLOW_UNUSED = from_file_size;
   from_file_size = 0;
   ASSERT_EQ(base::File::FILE_OK,
             ofu()->CopyOrMoveFile(
                 AllowUsageIncrease(-PathCost(from_file) +
                                    PathCost(to_file))->context(),
                 from_file, to_file,
                 FileSystemOperation::OPTION_NONE,
                 false /* move */));
   ASSERT_EQ(expected_total_file_size, ComputeTotalFileSize());
 
@@ skipping 243 matching lines @@
                                    false /* exclusive */,
                                    true /* recursive */));
   ASSERT_EQ(base::File::FILE_ERROR_NOT_A_DIRECTORY,
             ofu()->CreateDirectory(UnlimitedContext().get(),
                                    path_in_file_in_file,
                                    false /* exclusive */,
                                    true /* recursive */));
 }
 
 }  // namespace content