Add DisplayUnits to DiagnosticCounter reference assembly

Commit migrated from https://github.com/dotnet/corefx/commit/6203eb73f97b31503972bbe357e393287f3ecc74

diff --git a/src/libraries/System.Diagnostics.Tracing/ref/System.Diagnostics.Tracing.Counters.cs b/src/libraries/System.Diagnostics.Tracing/ref/System.Diagnostics.Tracing.Counters.cs
index b07e700..c3be02f 100644 (file)
--- a/src/libraries/System.Diagnostics.Tracing/ref/System.Diagnostics.Tracing.Counters.cs
+++ b/src/libraries/System.Diagnostics.Tracing/ref/System.Diagnostics.Tracing.Counters.cs
@@ -6,6 +6,7 @@ namespace System.Diagnostics.Tracing
         public void AddMetadata(string key, string value) { }
         public void Dispose() { }
         public string DisplayName { get { throw null; } set { } }
+        public string DisplayUnits { get { throw null; } set { } }
         public string Name { get { throw null; } }
         public System.Diagnostics.Tracing.EventSource EventSource { get { throw null; } }
     }
@@ -30,4 +31,4 @@ namespace System.Diagnostics.Tracing
         public void WriteMetric(float value) { }
         public void WriteMetric(double value) { }
     }
-}
\ No newline at end of file
+}