tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 83a7d1c616cb49285c447c03d08a9874acef0dca..cf8d03d7a3fd780162d3652823c7e6ae71b8d128 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -108964,6 +108964,12 @@ value.
   <suffix name="SentRequest" label="The request was sent over the network."/>
   <suffix name="Used"
       label="A cache entry was used without using the network."/>
+  <suffix name="SkipValidationSharedWriting"
+      label="The request used shared writing with other requests, without
+             validation."/>
+  <suffix name="ValidationMatchSharedWriting"
+      label="The request used shared writing with other requests, after
+             validation match over network."/>
   <affected-histogram name="HttpCache.AccessToDone"/>
 </histogram_suffixes>
 
@@ -108976,6 +108982,12 @@ value.
       label="A cached resource existed and was updated over the network."/>
   <suffix name="Validated"
       label="A cached resource existed and was validated over the network."/>
+  <suffix name="ValidationMatchSharedWriting"
+      label="The request used shared writing with other requests, after
+             validation match over network."/>
+  <suffix name="ValidationDoomSharedWriting"
+      label="The request doomed the shared writing entry, after validation
+             did not match over the network."/>
   <affected-histogram name="HttpCache.BeforeSend"/>
   <affected-histogram name="HttpCache.PercentBeforeSend"/>
 </histogram_suffixes>