Move crypto files out of base, to a top level directory.

crypto/encryptor.h

Index: crypto/encryptor.h
===================================================================
--- crypto/encryptor.h	(revision 79901)
+++ crypto/encryptor.h	(working copy)
@@ -2,26 +2,25 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef BASE_CRYPTO_ENCRYPTOR_H_
-#define BASE_CRYPTO_ENCRYPTOR_H_
+#ifndef CRYPTO_ENCRYPTOR_H_
+#define CRYPTO_ENCRYPTOR_H_
 #pragma once
 
 #include <string>
 
-#include "base/base_api.h"
 #include "build/build_config.h"
 
 #if defined(USE_NSS)
-#include "base/crypto/scoped_nss_types.h"
+#include "crypto/scoped_nss_types.h"
 #elif defined(OS_WIN)
-#include "base/crypto/scoped_capi_types.h"
+#include "crypto/scoped_capi_types.h"
 #endif
 
-namespace base {
+namespace crypto {
 
 class SymmetricKey;
 
-class BASE_API Encryptor {
+class Encryptor {
  public:
   enum Mode {
     CBC
@@ -65,6 +64,6 @@
 #endif
 };
 
-}  // namespace base
+}  // namespace crypto
 
-#endif  // BASE_CRYPTO_ENCRYPTOR_H_
+#endif  // CRYPTO_ENCRYPTOR_H_