Move crypto_helpers from sync to base

chrome/browser/sync/util/user_settings_win.cc

Index: chrome/browser/sync/util/user_settings_win.cc
diff --git a/chrome/browser/sync/util/user_settings_win.cc b/chrome/browser/sync/util/user_settings_win.cc
index 94090acf2f3ac4322fcc9009dbcea64cac17276f..d2b044778c48682f31c0395fd712d15c25cc32c2 100644
--- a/chrome/browser/sync/util/user_settings_win.cc
+++ b/chrome/browser/sync/util/user_settings_win.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
@@ -7,7 +7,6 @@
 #include <string>
 
 #include "base/logging.h"
-#include "chrome/browser/sync/util/crypto_helpers.h"
 #include "chrome/browser/sync/util/data_encryption.h"
 #include "chrome/common/sqlite_utils.h"