/*
 * Copyright 2010 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// Author: jmarantz@google.com (Joshua Marantz)


#include "pagespeed/kernel/base/null_statistics.h"

#include "pagespeed/kernel/base/null_mutex.h"
#include "pagespeed/kernel/base/statistics.h"

namespace net_instaweb {

NullStatistics::NullStatistics() {
}

NullStatistics::~NullStatistics() {
}

CountHistogram* NullStatistics::NewHistogram(StringPiece /*name*/) {
  return new CountHistogram(new NullMutex);
}

}  // namespace net_instaweb