Clean up a few unused globals.

net/disk_cache/simple/simple_version_upgrade_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 "net/disk_cache/simple/simple_version_upgrade.h"
 
 #include "base/basictypes.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 13 matching lines @@
 // Same as |disk_cache::kSimpleInitialMagicNumber|.
 const uint64 kSimpleInitialMagicNumber = GG_UINT64_C(0xfcfb6d1ba7725c30);
 
 // The "fake index" file that cache backends use to distinguish whether the
 // cache belongs to one backend or another.
 const char kFakeIndexFileName[] = "index";
 
 // Same as |SimpleIndexFile::kIndexFileName|.
 const char kIndexFileName[] = "the-real-index";
 
-// Same as |SimpleIndexFile::kIndexDirectory|.
-const char kIndexDirectory[] = "index-dir";
-
-// Same as |SimpleIndexFile::kTempIndexFileName|.
-const char kTempIndexFileName[] = "temp-index";
-
 bool WriteFakeIndexFileV5(const base::FilePath& cache_path) {
   disk_cache::FakeIndexData data;
   data.version = 5;
   data.initial_magic_number = kSimpleInitialMagicNumber;
   data.unused_must_be_zero1 = 0;
   data.unused_must_be_zero2 = 0;
   const base::FilePath file_name = cache_path.AppendASCII("index");
   return sizeof(data) ==
          file_util::WriteFile(
              file_name, reinterpret_cast<const char*>(&data), sizeof(data));
@@ skipping 87 matching lines @@
       EXPECT_TRUE(base::ReadFileToString(cache_path.AppendASCII(file_name),
                                          &real_contents));
       EXPECT_EQ(expected_contents, real_contents);
     }
   }
 }
 
 }  // namespace
 
 #endif  // defined(OS_POSIX)