[Sync] Fixing easy lint violations.

components/sync/api/entity_data.cc

 // Copyright 2015 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/api/entity_data.h"
 
 #include <algorithm>
+#include <utility>
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "components/sync/base/time.h"
 #include "components/sync/base/unique_position.h"
 #include "components/sync/protocol/proto_value_conversions.h"
 
 namespace syncer {
 
@@ skipping 54 matching lines @@
 bool EntityDataTraits::HasValue(const EntityData& value) {
   return !value.client_tag_hash.empty();
 }
 
 const EntityData& EntityDataTraits::DefaultValue() {
   CR_DEFINE_STATIC_LOCAL(EntityData, default_instance, ());
   return default_instance;
 }
 
 }  // namespace syncer