sync: get rid of path_helpers

chrome/browser/sync/util/path_helpers_posix.cc

Index: chrome/browser/sync/util/path_helpers_posix.cc
===================================================================
--- chrome/browser/sync/util/path_helpers_posix.cc	(revision 32906)
+++ chrome/browser/sync/util/path_helpers_posix.cc	(working copy)
@@ -1,22 +0,0 @@
-// Copyright (c) 2009 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 "chrome/browser/sync/util/path_helpers.h"
-
-#include "build/build_config.h"
-
-#if ((!defined(OS_LINUX)) && (!defined(OS_MACOSX)))
-#error Compile this file on Mac OS X or Linux only.
-#endif
-
-using std::string;
-
-// Convert /s to :s.
-string MakePathComponentOSLegal(const string& component) {
-  if (string::npos == component.find("/"))
-    return "";
-  string new_name(component);
-  std::replace(new_name.begin(), new_name.end(), '/', ':');
-  return new_name;
-}