Clean up a few unused globals.

base/file_util.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.
 
 #include "base/file_util.h"
 
 #if defined(OS_WIN)
 #include <io.h>
 #endif
 #include <stdio.h>
 
 #include <fstream>
 
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 
 namespace base {
 
 namespace {
 
-const FilePath::CharType kExtensionSeparator = FILE_PATH_LITERAL('.');
-
 // The maximum number of 'uniquified' files we will try to create.
 // This is used when the filename we're trying to download is already in use,
 // so we create a new unique filename by appending " (nnn)" before the
 // extension, where 1 <= nnn <= kMaxUniqueFiles.
 // Also used by code that cleans up said files.
 static const int kMaxUniqueFiles = 100;
 
 }  // namespace
 
 bool g_bug108724_debug = false;
@@ skipping 112 matching lines @@
 }
 
 }  // namespace base
 
 // -----------------------------------------------------------------------------
 
 namespace file_util {
 
 using base::FileEnumerator;
 using base::FilePath;
-using base::kExtensionSeparator;
 using base::kMaxUniqueFiles;
 
 bool IsDirectoryEmpty(const FilePath& dir_path) {
   FileEnumerator files(dir_path, false,
       FileEnumerator::FILES | FileEnumerator::DIRECTORIES);
   if (files.Next().empty())
     return true;
   return false;
 }
 
@@ skipping 84 matching lines @@
     if (!PathExists(new_path) &&
         (!have_suffix || !PathExists(FilePath(new_path.value() + suffix)))) {
       return count;
     }
   }
 
   return -1;
 }
 
 }  // namespace file_util