components: Rename encryptor directory to os_crypt.

components/os_crypt/os_crypt_switches.cc

 // Copyright 2014 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 "components/encryptor/encryptor_switches.h"
+#include "components/os_crypt/os_crypt_switches.h"
 
-namespace encryptor {
+namespace os_crypt {
 namespace switches {
 
 #if defined(OS_MACOSX)
 
 const char kUseMockKeychain[] = "use-mock-keychain";
 
 #endif  // OS_MACOSX
 
 }  // namespace switches
-}  // namespace encryptor
+}  // namespace os_crypt