[Sync] Removing duplicated includes between cc and h files.

components/sync/core/base_transaction.cc

 // 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.
 
 #include "components/sync/core/base_transaction.h"
 
-#include "components/sync/base/cryptographer.h"
 #include "components/sync/syncable/directory.h"
 #include "components/sync/syncable/nigori_handler.h"
 
 namespace syncer {
 
 //////////////////////////////////////////////////////////////////////////
 // BaseTransaction member definitions
 BaseTransaction::BaseTransaction(UserShare* share) : user_share_(share) {
   DCHECK(share && share->directory.get());
 }
 
 BaseTransaction::~BaseTransaction() {}
 
 Cryptographer* BaseTransaction::GetCryptographer() const {
   return GetDirectory()->GetCryptographer(this->GetWrappedTrans());
 }
 
 ModelTypeSet BaseTransaction::GetEncryptedTypes() const {
   syncable::NigoriHandler* nigori_handler = GetDirectory()->GetNigoriHandler();
   return nigori_handler
              ? nigori_handler->GetEncryptedTypes(this->GetWrappedTrans())
              : ModelTypeSet();
 }
 
 }  // namespace syncer