| Index: tools/metrics/histograms/histograms.xml
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| diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
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| index 579764af88e3d65748a972badeec900e0ee1eb52..41ece1a6d9136639a16ff3c6826aca74a0128965 100644
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| --- a/tools/metrics/histograms/histograms.xml
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| +++ b/tools/metrics/histograms/histograms.xml
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| @@ -75920,6 +75920,9 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
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|  </histogram>
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|  
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|  <histogram name="WinTimeTicks.FailedToChangeCores" enum="WindowsVersion">
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| +  <obsolete>
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| +    Removed 01/2017.
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| +  </obsolete>
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|    <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
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|    <summary>
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|      Incremented each time the TimeTicks field trial runs on a machine with
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| @@ -75929,6 +75932,9 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
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|  </histogram>
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|  
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|  <histogram name="WinTimeTicks.MinResolutionNanoseconds" units="nanoseconds">
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| +  <obsolete>
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| +    Removed 01/2017.
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| +  </obsolete>
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|    <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
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|    <summary>
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|      The smallest non-zero delta reported by subsequent calls to
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| @@ -75937,6 +75943,9 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
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|  </histogram>
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|  
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|  <histogram name="WinTimeTicks.NonStopTsc">
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| +  <obsolete>
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| +    Removed 01/2017.
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| +  </obsolete>
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|    <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
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|    <summary>
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|      True if the CPU's timestamp counter ticks at a constant rate regardless of
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| @@ -75945,6 +75954,9 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
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|  </histogram>
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|  
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|  <histogram name="WinTimeTicks.TickedBackwards" enum="WindowsVersion">
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| +  <obsolete>
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| +    Removed 01/2017.
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| +  </obsolete>
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|    <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
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|    <summary>
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|      The number of times the TimeTicks field trial failed because
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| @@ -75953,6 +75965,9 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
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|  </histogram>
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|  
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|  <histogram name="WinTimeTicks.VersionSuccessful" enum="WindowsVersion">
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| +  <obsolete>
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| +    Removed 01/2017.
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| +  </obsolete>
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|    <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
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|    <summary>
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|      The number of times the TimeTicks field trial succeeded. Broken down by
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| @@ -75961,6 +75976,9 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
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|  </histogram>
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|  
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|  <histogram name="WinTimeTicks.VersionTotal" enum="WindowsVersion">
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| +  <obsolete>
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| +    Removed 01/2017.
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| +  </obsolete>
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|    <owner>Please list the metric's owners. Add more owner tags as needed.</owner>
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|    <summary>
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|      The number of times the TimeTicks field trial ran for comparison with
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| 
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