Use a direct include of strings headers in rlz/, sandbox/, skia/, sql/, sync/.

sync/engine/syncer_util.cc

 // Copyright 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 "sync/engine/syncer_util.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/base64.h"
 #include "base/location.h"
 #include "base/metrics/histogram.h"
-#include "base/string_number_conversions.h"
+#include "base/strings/string_number_conversions.h"
 #include "sync/engine/conflict_resolver.h"
 #include "sync/engine/syncer_proto_util.h"
 #include "sync/engine/syncer_types.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/internal_api/public/base/unique_position.h"
 #include "sync/protocol/bookmark_specifics.pb.h"
 #include "sync/protocol/password_specifics.pb.h"
 #include "sync/protocol/sync.pb.h"
 #include "sync/syncable/directory.h"
 #include "sync/syncable/entry.h"
@@ skipping 615 matching lines @@
   if (update.version() < target->Get(SERVER_VERSION)) {
     LOG(WARNING) << "Update older than current server version for "
                  << *target << " Update:"
                  << SyncerProtoUtil::SyncEntityDebugString(update);
     return VERIFY_SUCCESS;  // Expected in new sync protocol.
   }
   return VERIFY_UNDECIDED;
 }
 
 }  // namespace syncer