[Sync] Fix namespace for sync_driver component

components/sync_driver/data_type_encryption_handler.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_DATA_TYPE_ENCRYPTION_HANDLER_H_
 #define COMPONENTS_SYNC_DRIVER_DATA_TYPE_ENCRYPTION_HANDLER_H_
 
 #include "base/basictypes.h"
 #include "sync/internal_api/public/base/model_type.h"
 
-namespace browser_sync {
+namespace sync_driver {
 
 // The DataTypeEncryptionHandler provides the status of datatype encryption.
 class DataTypeEncryptionHandler {
  public:
   DataTypeEncryptionHandler();
   virtual ~DataTypeEncryptionHandler();
 
   // Returns true if a passphrase is required for encryption to proceed, false
   // otherwise.
   virtual bool IsPassphraseRequired() const = 0;
 
   // Returns the current set of encrypted data types.
   virtual syncer::ModelTypeSet GetEncryptedDataTypes() const = 0;
 };
 
-} // namespace browser_sync
+} // namespace sync_driver
 
 #endif  // COMPONENTS_SYNC_DRIVER_DATA_TYPE_ENCRYPTION_HANDLER_H_