Add UMA histograms for policy loading.

chrome/browser/policy/preg_parser_win_unittest.cc

 // Copyright (c) 2013 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/preg_parser_win.h"
 
 #include "base/files/file_path.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/values.h"
+#include "chrome/browser/policy/policy_load_status.h"
 #include "chrome/common/chrome_paths.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace policy {
 namespace preg_parser {
 
 TEST(PRegParserWinTest, TestParseFile) {
   base::FilePath test_data_dir;
   ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir));
 
   // Prepare the test dictionary with some data so the test can check that the
   // PReg action triggers work, i.e. remove these items.
   base::DictionaryValue dict;
   dict.SetInteger("DeleteValuesTest1", 1);
   dict.SetString("DeleteValuesTest2", "2");
   dict.SetInteger("DeleteKeysTest1", 1);
   dict.SetString("DeleteKeysTest2", "2");
   dict.SetInteger("DelTest", 1);
   base::DictionaryValue* subdict = new base::DictionaryValue();
   subdict->SetInteger("DelValsTest1", 1);
   subdict->SetString("DelValsTest2", "2");
   subdict->Set("DelValsTest3", new base::DictionaryValue());
   dict.Set("DelValsTest", subdict);
 
   // Run the parser.
   base::FilePath test_file(test_data_dir.AppendASCII("policy/registry.pol"));
+  PolicyLoadStatusSample status(-1, -1);
   ASSERT_TRUE(preg_parser::ReadFile(
-      test_file, L"SOFTWARE\\Policies\\Chromium", &dict));
+      test_file, L"SOFTWARE\\Policies\\Chromium", &dict, &status));
 
   // Build the expected output dictionary.
   base::DictionaryValue expected;
   base::DictionaryValue* del_vals_dict = new base::DictionaryValue();
   del_vals_dict->Set("DelValsTest3", new base::DictionaryValue());
   expected.Set("DelValsTest", del_vals_dict);
   expected.SetInteger("HomepageIsNewTabPage", 1);
   expected.SetString("HomepageLocation", "http://www.example.com");
   expected.SetInteger("RestoreOnStartup", 4);
   base::DictionaryValue* startup_urls = new DictionaryValue();
   startup_urls->SetString("1", "http://www.chromium.org");
   startup_urls->SetString("2", "http://www.example.com");
   expected.Set("RestoreOnStartupURLs", startup_urls);
   expected.SetInteger("ShowHomeButton", 1);
   expected.SetString("Snowman", "\xE2\x98\x83");
 
   EXPECT_TRUE(base::Value::Equals(&expected, &dict));
 }
 
 }  // namespace policy
 }  // namespace preg_parser