[subresource_filter] Add metrics for all NavigationThrottle delays

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 9d3aff3a9f2721c2a09e4edb41a05a01fd812015..838063c89f7cb21d5c4757ce82ae9ab7c0ce7d42 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -71434,6 +71434,26 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="SubresourceFilter.DocumentLoad.ActivationComputingDelay"
+    units="microseconds">
+  <owner>csharrison@chromium.org</owner>
+  <summary>
+    Records the total time the activation state navigation throttle within a
+    document is delayed while calculating activation. Recorded at resume time.
+  </summary>
+</histogram>
+
+<histogram
+    name="SubresourceFilter.DocumentLoad.ActivationComputingDelay.MainFrame"
+    units="microseconds">
+  <owner>csharrison@chromium.org</owner>
+  <summary>
+    Records the total time the activation state navigation throttle within a
+    main frame document is delayed while calculating activation. Recorded at
+    resume time.
+  </summary>
+</histogram>
+
 <histogram name="SubresourceFilter.DocumentLoad.ActivationState"
     enum="SubresourceFilterActivationState">
   <owner>engedy@chromium.org</owner>
@@ -71497,6 +71517,27 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="SubresourceFilter.DocumentLoad.SubframeFilteringDelay.Allowed"
+    units="microseconds">
+  <owner>csharrison@chromium.org</owner>
+  <summary>
+    Records the total time a subframe navigation was delayed while calculating
+    whether it should be disallowed or not. Logged for all navigations that were
+    allowed.
+  </summary>
+</histogram>
+
+<histogram
+    name="SubresourceFilter.DocumentLoad.SubframeFilteringDelay.Disallowed"
+    units="microseconds">
+  <owner>csharrison@chromium.org</owner>
+  <summary>
+    Records the total time a subframe navigation was delayed while calculating
+    whether it should be disallowed or not. Logged for all navigations that were
+    disallowed.
+  </summary>
+</histogram>
+
 <histogram
     name="SubresourceFilter.DocumentLoad.SubresourceEvaluation.TotalCPUDuration"
     units="microseconds">