Add UMA stats for the Website Setting UI

chrome/browser/ui/website_settings/website_settings.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/website_settings/website_settings.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
+#include "base/metrics/histogram.h"
 #include "base/i18n/time_formatting.h"
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browsing_data/browsing_data_cookie_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_database_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_file_system_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_indexed_db_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_local_storage_helper.h"
 #include "chrome/browser/browsing_data/browsing_data_server_bound_cert_helper.h"
 #include "chrome/browser/content_settings/content_settings_utils.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/content_settings/local_shared_objects_container.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ssl/ssl_error_info.h"
 #include "chrome/browser/ui/website_settings/website_settings_infobar_delegate.h"
 #include "chrome/browser/ui/website_settings/website_settings_ui.h"
 #include "chrome/common/content_settings_pattern.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/cert_store.h"
+#include "content/public/browser/user_metrics.h"
 #include "content/public/common/ssl_status.h"
 #include "content/public/common/url_constants.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "net/base/cert_status_flags.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 #include "net/base/ssl_cipher_suite_names.h"
 #include "net/base/ssl_connection_status_flags.h"
 #include "net/base/x509_certificate.h"
 #include "ui/base/l10n/l10n_util.h"
@@ skipping 46 matching lines @@
         site_url_,
         &visit_count_request_consumer_,
         base::Bind(&WebsiteSettings::OnGotVisitCountToHost,
                    base::Unretained(this)));
   }
 
   PresentSitePermissions();
   PresentSiteData();
   PresentSiteIdentity();
   PresentHistoryInfo(base::Time());
+
+  // Every time the Website Settings UI is opened a |WebsiteSettings| object is
+  // created. So this counts how ofter the Website Settings UI is opened.
+  content::RecordAction(content::UserMetricsAction("WebsiteSettings_Opened"));
 }
 
 WebsiteSettings::~WebsiteSettings() {
 }
 
 void WebsiteSettings::OnSitePermissionChanged(ContentSettingsType type,
                                               ContentSetting setting) {
+  // Count how often a permission for a specific content type is changed using
+  // the Website Settings UI.
+  UMA_HISTOGRAM_COUNTS("WebsiteSettings.PermissionChanged", type);
+
   ContentSettingsPattern primary_pattern;
   ContentSettingsPattern secondary_pattern;
   switch (type) {
     case CONTENT_SETTINGS_TYPE_GEOLOCATION:
       // TODO(markusheintz): The rule we create here should also change the
       // location permission for iframed content.
       primary_pattern = ContentSettingsPattern::FromURLNoWildcard(site_url_);
       secondary_pattern = ContentSettingsPattern::FromURLNoWildcard(site_url_);
       break;
     case CONTENT_SETTINGS_TYPE_NOTIFICATIONS:
@@ skipping 411 matching lines @@
     first_visit_text = l10n_util::GetStringFUTF16(
         IDS_PAGE_INFO_SECURITY_TAB_VISITED_BEFORE_TODAY,
         base::TimeFormatShortDate(first_visit));
   } else {
     first_visit_text = l10n_util::GetStringUTF16(
         IDS_PAGE_INFO_SECURITY_TAB_FIRST_VISITED_TODAY);
 
   }
   ui_->SetFirstVisit(first_visit_text);
 }