[subresource_filter] Add metrics for UI / related things

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 a411ad83ecea1149225dd8ab548962fce38a0ed4..bb916f39345e21c85843009c7567c62fa48c5a9d 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -69307,6 +69307,16 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <summary>Microseconds spent in Document::updateStyle.</summary>
 </histogram>
 
+<histogram name="SubresourceFilter.Actions" enum="SubresourceFilterActions">
+  <owner>csharrison@chromium.org</owner>
+  <summary>
+    Counts of various UI and user action events related to the
+    SubresourceFilter. This will be triggered in response to Content Settings
+    changes, as well as when portions of the UI are shown or interacted with.
+    Main frame navigations are also tracked for ease of comparison and analysis.
+  </summary>
+</histogram>
+
 <histogram name="SubresourceFilter.DocumentLoad.Activation.CPUDuration"
     units="microseconds">
   <owner>pkalinnikov@chromium.org</owner>
@@ -69540,6 +69550,9 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
 </histogram>
 
 <histogram name="SubresourceFilter.Prompt.NumVisibility" enum="BooleanVisible">
+  <obsolete>
+    Deprecated in favor of SubresourceFilter.Action
+  </obsolete>
   <owner>melandory@chromium.org</owner>
   <summary>
     Number of times Safebrowsing Subresource Filter decided to toggle visibility
@@ -111959,6 +111972,19 @@ from previous Chrome versions.
   <int value="2" label="MemoryCached StyleSheetContents was reused"/>
 </enum>
 
+<enum name="SubresourceFilterActions" type="int">
+  <int value="0" label="New Navigation"/>
+  <int value="1" label="UI Shown"/>
+  <int value="2" label="Details shown"/>
+  <int value="3" label="Learn more clicked"/>
+  <int value="4" label="Content setting blocked from UI"/>
+  <int value="5" label="Content setting allowed"/>
+  <int value="6" label="Content setting blocked"/>
+  <int value="7" label="Content setting allowed (global)"/>
+  <int value="8" label="Content setting blocked (global)"/>
+  <int value="9" label="Content setting wildcard update"/>
+</enum>
+
 <enum name="SubresourceFilterActivationDecision" type="int">
   <int value="0" label="Unknown"/>
   <int value="1" label="Activated"/>