third_party/WebKit/Source/core/timing/PerformanceMeasure.h

   1 /*
   2  * Copyright (C) 2012 Intel Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef PerformanceMeasure_h
  27 #define PerformanceMeasure_h
  28
  29 #include "core/timing/PerformanceEntry.h"
  30 #include "platform/heap/Handle.h"
  31 #include "wtf/PassRefPtr.h"
  32 #include "wtf/text/WTFString.h"
  33
  34 namespace blink {
  35
  36 class PerformanceMeasure final : public PerformanceEntry {
  37     DEFINE_WRAPPERTYPEINFO();
  38 public:
  39     static PerformanceMeasure* create(const String& name, double startTime, double endTime)
  40     {
  41         return new PerformanceMeasure(name, startTime, endTime);
  42     }
  43
  44     DEFINE_INLINE_VIRTUAL_TRACE()
  45     {
  46         PerformanceEntry::trace(visitor);
  47     }
  48
  49 private:
  50     PerformanceMeasure(const String& name, double startTime, double endTime)
  51         : PerformanceEntry(name, "measure", startTime, endTime) { }
  52     ~PerformanceMeasure() override { }
  53 };
  54
  55 } // namespace blink
  56
  57 #endif // PerformanceMeasure_h