Switch to standard integer types in sync/.

sync/engine/directory_commit_contributor.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 SYNC_ENGINE_DIRECTORY_COMMIT_CONTRIBUTOR_H_
 #define SYNC_ENGINE_DIRECTORY_COMMIT_CONTRIBUTOR_H_
 
+#include <stddef.h>
+
 #include <map>
 
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "sync/engine/commit_contributor.h"
 #include "sync/engine/directory_commit_contribution.h"
 #include "sync/internal_api/public/base/model_type.h"
 
 namespace syncer {
 
 namespace syncable {
 class Directory;
 }
@@ skipping 21 matching lines @@
   ModelType type_;
 
   DirectoryTypeDebugInfoEmitter* debug_info_emitter_;
 
   DISALLOW_COPY_AND_ASSIGN(DirectoryCommitContributor);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_ENGINE_DIRECTORY_COMMIT_CONTRIBUTOR_H_