Setting chrome as the default browser is now fixed on Windows 10

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 97671a2a122d20d5d2ba37f4dffc25c238d9aea0..ff0c79d07ead4b1b0e576c8af3396bdf3bdca41e 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -6055,6 +6055,32 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="DefaultBrowser.AsyncSetAsDefault.Duration"
+    units="milliseconds">
+  <owner>pmonette@chromium.org</owner>
+  <summary>
+    How long it took to set Chrome as the default browser asynchronously in
+    Windows 10+.
+  </summary>
+</histogram>
+
+<histogram name="DefaultBrowser.AsyncSetAsDefault.Launched"
+    enum="BooleanSuccess">
+  <owner>pmonette@chromium.org</owner>
+  <summary>
+    Whether openwith.exe was launched successfully with the default browser url.
+  </summary>
+</histogram>
+
+<histogram name="DefaultBrowser.AsyncSetAsDefault.Succeeded"
+    enum="BooleanSuccess">
+  <owner>pmonette@chromium.org</owner>
+  <summary>
+    The count of how many times users were successfully able to set Chrome as
+    the default browser asynchronously in Windows 10+.
+  </summary>
+</histogram>
+
 <histogram name="DefaultBrowser.InteractionResult"
     enum="MakeChromeDefaultResult">
   <owner>gab@chromium.org</owner>