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

components/sync/syncable/directory_unittest.cc

 // 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.
 
 #include "components/sync/syncable/directory_unittest.h"
 
 #include <stddef.h>
-#include <stdint.h>
 
 #include <cstdlib>
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/rand_util.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/test/values_test_util.h"
 #include "components/sync/base/attachment_id_proto.h"
 #include "components/sync/base/mock_unrecoverable_error_handler.h"
 #include "components/sync/syncable/syncable_proto_util.h"
 #include "components/sync/syncable/syncable_util.h"
-#include "components/sync/syncable/syncable_write_transaction.h"
 #include "components/sync/test/engine/test_syncable_utils.h"
 #include "components/sync/test/test_directory_backing_store.h"
 
 using base::ExpectDictBooleanValue;
 using base::ExpectDictStringValue;
 
 namespace syncer {
 
 namespace syncable {
 
@@ skipping 2106 matching lines @@
 
   const base::DictionaryValue* first_result;
   ASSERT_TRUE(nodes->GetDictionary(0, &first_result));
   EXPECT_TRUE(first_result->HasKey("ID"));
   EXPECT_TRUE(first_result->HasKey("NON_UNIQUE_NAME"));
 }
 
 }  // namespace syncable
 
 }  // namespace syncer