Log site engagement scores for permission actions

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 e8474f2ae820ef9254d8ced010f9822e65b3c0ec..47e4e6e14a67f843fcda962483533d2d2add6377 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -52309,6 +52309,43 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="Permissions.Engagement.Accepted" units="%">
+  <owner>dominickn@chromium.org</owner>
+  <owner>kcarattini@chromium.org</owner>
+  <owner>timloh@chromium.org</owner>

[Timothy Loh, 2017/06/22 08:02:20]

Not sure who should be owners here, Dom and Kendra are owners of most other
permission histograms so I went with them+me, but I can change it.

[raymes, 2017/07/06 05:03:15]

sgtm

+  <summary>
+    Tracks the engagement score for sites where permission prompts are accepted.
+  </summary>
+</histogram>
+
+<histogram name="Permissions.Engagement.Denied" units="%">
+  <owner>dominickn@chromium.org</owner>
+  <owner>kcarattini@chromium.org</owner>
+  <owner>timloh@chromium.org</owner>
+  <summary>
+    Tracks the engagement score for sites where permission prompts are denied.
+  </summary>
+</histogram>
+
+<histogram name="Permissions.Engagement.Dismissed" units="%">
+  <owner>dominickn@chromium.org</owner>
+  <owner>kcarattini@chromium.org</owner>
+  <owner>timloh@chromium.org</owner>
+  <summary>
+    Tracks the engagement score for sites where permission prompts are
+    dismissed.
+  </summary>
+</histogram>
+
+<histogram name="Permissions.Engagement.Ignored" units="%">
+  <owner>dominickn@chromium.org</owner>
+  <owner>kcarattini@chromium.org</owner>
+  <owner>timloh@chromium.org</owner>
+  <summary>
+    Tracks the engagement score for sites where permission prompts are ignored.
+  </summary>
+</histogram>
+
 <histogram name="Permissions.Prompt.Accepted" enum="PermissionRequestType">
   <owner>dominickn@chromium.org</owner>
   <owner>kcarattini@chromium.org</owner>
@@ -93553,6 +93590,27 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   <affected-histogram name="Permissions.Prompt.Shown"/>
 </histogram_suffixes>
 
+<histogram_suffixes name="PermissionRequestTypes" separator=".">
+  <suffix name="MidiSysEx" label="Midi SysEx permission"/>
+  <suffix name="PushMessaging" label="Push messaging permission"/>
+  <suffix name="Notifications" label="Notification permission"/>
+  <suffix name="Geolocation" label="Geolocation permission"/>
+  <suffix name="ProtectedMedia" label="Protected media permission"/>
+  <suffix name="DurableStorage" label="Durable Storage permission"/>
+  <suffix name="AudioCapture" label="Microphone permission"/>
+  <suffix name="VideoCapture" label="Camera permission"/>
+  <suffix name="AudioAndVideoCapture" label="Mic+Camera permission"/>
+  <suffix name="Flash" label="Flash permission"/>
+  <suffix name="RegisterProtocolHandler"
+      label="registerProtocolHandler permission"/>
+  <suffix name="Quota" label="Quota permission"/>
+  <suffix name="MultipleDownload" label="Multiple downloads permission"/>
+  <affected-histogram name="Permissions.Engagement.Accepted"/>
+  <affected-histogram name="Permissions.Engagement.Denied"/>
+  <affected-histogram name="Permissions.Engagement.Dismissed"/>
+  <affected-histogram name="Permissions.Engagement.Ignored"/>
+</histogram_suffixes>
+
 <histogram_suffixes name="PermissionTypes" separator=".">
   <suffix name="MidiSysEx" label="Midi SysEx permsision actions"/>
   <suffix name="PushMessaging" label="Push messaging permission actions"/>