| Index: tools/metrics/histograms/histograms.xml | 
| diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml | 
| index ca14407d0cab0e86b8b06a9f200541714db2d733..9280900347a8aa8ff364ba169d574a853a2999e2 100644 | 
| --- a/tools/metrics/histograms/histograms.xml | 
| +++ b/tools/metrics/histograms/histograms.xml | 
| @@ -38015,6 +38015,15 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries. | 
| <summary>True if a URLRequest's referrer is empty or valid when set.</summary> | 
| </histogram> | 
|  | 
| +<histogram name="Net.ValidDNSName" enum="Boolean"> | 
| +  <owner>palmer@chromium.org</owner> | 
| +  <summary> | 
| +    True if a DNS name contains only characters for which | 
| +    |net::IsValidLabelCharacter| returns true. Used to see if we can deprecate | 
| +    and remove support for arbitrary bytes in DNS names. | 
| +  </summary> | 
| +</histogram> | 
| + | 
| <histogram name="Net.WebSocket.DeflateMode" | 
| enum="WebSocketNewPerMessageDeflateContextTakeoverMode"> | 
| <owner>yhirano@chromium.org</owner> | 
|  |