text: /*
   * Copyright (C) 2012 Intel Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
   * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef PerformanceMark_h
  #define PerformanceMark_h
  
  #include "core/timing/PerformanceEntry.h"
  #include "platform/heap/Handle.h"
  #include "platform/wtf/text/WTFString.h"
  
  namespace blink {
  
  class CORE_EXPORT PerformanceMark final : public PerformanceEntry {
    DEFINE_WRAPPERTYPEINFO();
  
   public:
    static PerformanceMark* Create(const String& name, double start_time) {
      return new PerformanceMark(name, start_time);
    }
  
    DEFINE_INLINE_VIRTUAL_TRACE() { PerformanceEntry::Trace(visitor); }
  
   private:
    PerformanceMark(const String& name, double start_time)
        : PerformanceEntry(name, "mark", start_time, start_time) {}
  
    ~PerformanceMark() override {}
  };
  
  }  // namespace blink
  
  #endif  // PerformanceMark_h
  