Clean up a few unused globals.

net/disk_cache/simple/simple_index_file.cc

 // Copyright (c) 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_index_file.h"
 
 #include <vector>
 
 #include "base/file_util.h"
 #include "base/files/memory_mapped_file.h"
@@ skipping 12 matching lines @@
 #include "third_party/zlib/zlib.h"
 
 namespace disk_cache {
 namespace {
 
 const int kEntryFilesHashLength = 16;
 const int kEntryFilesSuffixLength = 2;
 
 const uint64 kMaxEntiresInIndex = 100000000;
 
-const char kIndexFileName[] = "the-real-index";
-const char kTempIndexFileName[] = "temp-index";
-
 uint32 CalculatePickleCRC(const Pickle& pickle) {
   return crc32(crc32(0, Z_NULL, 0),
                reinterpret_cast<const Bytef*>(pickle.payload()),
                pickle.payload_size());
 }
 
 // Used in histograms. Please only add new values at the end.
 enum IndexFileState {
   INDEX_STATE_CORRUPT = 0,
   INDEX_STATE_STALE = 1,
@@ skipping 412 matching lines @@
 bool SimpleIndexFile::LegacyIsIndexFileStale(
     base::Time cache_last_modified,
     const base::FilePath& index_file_path) {
   base::Time index_mtime;
   if (!simple_util::GetMTime(index_file_path, &index_mtime))
     return true;
   return index_mtime < cache_last_modified;
 }
 
 }  // namespace disk_cache