Count of user dismissals of notification promo.

chrome/browser/web_resource/notification_promo.cc

Index: chrome/browser/web_resource/notification_promo.cc
===================================================================
--- chrome/browser/web_resource/notification_promo.cc	(revision 112953)
+++ chrome/browser/web_resource/notification_promo.cc	(working copy)
@@ -4,6 +4,8 @@
 
 #include "chrome/browser/web_resource/notification_promo.h"
 
+#include <vector>
+
 #include "base/bind.h"
 #include "base/rand_util.h"
 #include "base/string_number_conversions.h"
@@ -14,6 +16,7 @@
 #include "chrome/browser/profiles/profile_impl.h"
 #include "chrome/browser/web_resource/promo_resource_service.h"
 #include "chrome/common/pref_names.h"
+#include "content/browser/user_metrics.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/cookie_store.h"
 #include "net/url_request/url_request_context.h"
@@ -332,10 +335,12 @@
 }
 
 void NotificationPromo::HandleClosed() {
+  UserMetrics::RecordAction(UserMetricsAction("NTPPromoClosed"));
   prefs_->SetBoolean(prefs::kNTPPromoClosed, true);
 }
 
 bool NotificationPromo::HandleViewed() {
+  UserMetrics::RecordAction(UserMetricsAction("NTPPromoShown"));
   if (prefs_->HasPrefPath(prefs::kNTPPromoViewsMax))
     max_views_ = prefs_->GetInteger(prefs::kNTPPromoViewsMax);