[Sync] Fix namespace for sync_driver component

components/sync_driver/system_encryptor.h

 // 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.
 
 #ifndef COMPONENTS_SYNC_DRIVER_SYSTEM_ENCRYPTOR_H_
 #define COMPONENTS_SYNC_DRIVER_SYSTEM_ENCRYPTOR_H_
 
 #include "base/compiler_specific.h"
 #include "sync/util/encryptor.h"
 
-namespace browser_sync {
+namespace sync_driver {
 
 // Encryptor that uses the Chrome password manager's encryptor.
 class SystemEncryptor : public syncer::Encryptor {
  public:
   virtual ~SystemEncryptor();
 
   virtual bool EncryptString(const std::string& plaintext,
                              std::string* ciphertext) OVERRIDE;
 
   virtual bool DecryptString(const std::string& ciphertext,
                              std::string* plaintext) OVERRIDE;
 };
 
-}  // namespace browser_sync
+}  // namespace sync_driver
 
 #endif  // COMPONENTS_SYNC_DRIVER_SYSTEM_ENCRYPTOR_H_