Expand event timestamp validation check to more platforms

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 d63dafb49c24b2bb1513b58bcd3e87fcdfb30b37..59de7688c3e2b877ff0857ec20f911268e922915 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -13545,7 +13545,7 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <owner>tdresser@chromium.org</owner>
   <owner>caseq@chromium.org</owner>
   <summary>
-    Whether the timestapms on input events produced by the windowing system
+    Whether the timestamps on input events produced by the windowing system
     appear to be sharing the same time base as TimeTicks, modulo possible
     roll-over.
   </summary>
@@ -104570,6 +104570,12 @@ To add a new entry, add it with any value and run test to compute valid value.
   <affected-histogram name="ThreadWatcher.UnresponsiveThreads"/>
 </histogram_suffixes>
 
+<histogram_suffixes name="TimestampTimebaseProcess" separator=".">
+  <suffix name="Browser"/>
+  <suffix name="Renderer"/>
+  <affected-histogram name="Event.TimestampHasValidTimebase"/>
+</histogram_suffixes>
+
 <histogram_suffixes name="TotalTimeToHttpsGoogle" separator=".">
   <suffix name="Quic">
     <obsolete>