[Sync] Move 'sync' target to sync/

sync/util/nigori.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
-#ifndef CHROME_BROWSER_SYNC_UTIL_NIGORI_H_
-#define CHROME_BROWSER_SYNC_UTIL_NIGORI_H_
+#ifndef SYNC_UTIL_NIGORI_H_
+#define SYNC_UTIL_NIGORI_H_
 #pragma once
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "crypto/symmetric_key.h"
 
 namespace browser_sync {
 
 // A (partial) implementation of Nigori, a protocol to securely store secrets in
@@ skipping 56 matching lines @@
   static const size_t kSigningIterations = 1004;
 
  private:
   scoped_ptr<crypto::SymmetricKey> user_key_;
   scoped_ptr<crypto::SymmetricKey> encryption_key_;
   scoped_ptr<crypto::SymmetricKey> mac_key_;
 };
 
 }  // namespace browser_sync
 
-#endif  // CHROME_BROWSER_SYNC_UTIL_NIGORI_H_
+#endif  // SYNC_UTIL_NIGORI_H_