Show the search geolocation disclosure from geolocation API use.

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 7b3670490ea77bea5c18d32745e1e87f71438dd3..ab9cb59df3abc86f9e3eb9f454684e491371973c 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -19823,6 +19823,16 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="GeolocationDisclosure.PostDisclosureContentSetting"
+    enum="ContentSetting">
+  <owner>benwells@chromium.org</owner>
+  <summary>
+    Records the geolocation content setting for the default search engine's
+    origin after the search geolocation disclosure has been shown and won't be
+    shown again. This metric is only recorded once per client.
+  </summary>
+</histogram>
+
 <histogram name="GeolocationDisclosure.PostDisclosurePermission"
     enum="PermissionStatus">
   <owner>benwells@chromium.org</owner>
@@ -19833,6 +19843,16 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
   </summary>
 </histogram>
 
+<histogram name="GeolocationDisclosure.PreDisclosureContentSetting"
+    enum="ContentSetting">
+  <owner>benwells@chromium.org</owner>
+  <summary>
+    Records the geolocation content setting for the default search engine's
+    origin immediately before the search geolocation disclosure has been shown.
+    This metric is only recorded once per client.
+  </summary>
+</histogram>
+
 <histogram name="GeolocationDisclosure.PreDisclosurePermission"
     enum="PermissionStatus">
   <owner>benwells@chromium.org</owner>