Add UMA metrics and histograms for locally managed users.

chrome/browser/policy/url_blacklist_manager.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/policy/url_blacklist_manager.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
@@ skipping 123 matching lines @@
       max = &filter;
   }
 
   // Default to allow.
   if (!max)
     return false;
 
   return !max->allow;
 }
 
+size_t URLBlacklist::Size() const {
+  return filters_.size();
+}
+
 // static
 bool URLBlacklist::HasStandardScheme(const GURL& url) {
   return IsStandardScheme(url.scheme());
 }
 
 // static
 bool URLBlacklist::FilterToComponents(const std::string& filter,
                                       std::string* scheme,
                                       std::string* host,
                                       bool* match_subdomains,
@@ skipping 202 matching lines @@
 
 // static
 void URLBlacklistManager::RegisterUserPrefs(PrefServiceSyncable* pref_service) {
   pref_service->RegisterListPref(prefs::kUrlBlacklist,
                                  PrefServiceSyncable::UNSYNCABLE_PREF);
   pref_service->RegisterListPref(prefs::kUrlWhitelist,
                                  PrefServiceSyncable::UNSYNCABLE_PREF);
 }
 
 }  // namespace policy