Switch to standard integer types in sync/.

sync/internal_api/protocol_event_buffer.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_INTERNAL_API_PROTOCOL_EVENT_BUFFER_H_
 #define SYNC_INTERNAL_API_PROTOCOL_EVENT_BUFFER_H_
 
+#include <stddef.h>
+
 #include <deque>
 
+#include "base/macros.h"
 #include "base/memory/scoped_vector.h"
 #include "sync/base/sync_export.h"
 
 namespace syncer {
 
 class ProtocolEvent;
 
 // A container for ProtocolEvents.
 //
 // Stores at most kBufferSize events, then starts dropping the oldest events.
@@ skipping 13 matching lines @@
  private:
   std::deque<ProtocolEvent*> buffer_;
   STLElementDeleter<std::deque<ProtocolEvent*> > buffer_deleter_;
 
   DISALLOW_COPY_AND_ASSIGN(ProtocolEventBuffer);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_INTERNAL_API_PROTOCOL_EVENT_BUFFER_H_