Write the _DidRun per-user stat along with the usual "dr".

chrome/installer/util/google_update_constants.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/installer/util/google_update_constants.h"
 
 namespace google_update {
 
 const wchar_t kChromeUpgradeCode[] = L"{8A69D345-D564-463C-AFF1-A69D9E530F96}";
 
@@ skipping 16 matching lines @@
 const wchar_t kRegBrandField[] = L"brand";
 const wchar_t kRegBrowserField[] = L"browser";
 const wchar_t kRegCFEndTempOptOutCmdField[] = L"CFEndTempOptOutCmd";
 const wchar_t kRegCFOptInCmdField[] = L"CFOptInCmd";
 const wchar_t kRegCFOptOutCmdField[] = L"CFOptOutCmd";
 const wchar_t kRegCFTempOptOutCmdField[] = L"CFTempOptOutCmd";
 const wchar_t kRegClientField[] = L"client";
 const wchar_t kRegCommandLineField[] = L"CommandLine";
 const wchar_t kRegCriticalVersionField[] = L"cpv";
 const wchar_t kRegDidRunField[] = L"dr";
+const wchar_t kRegDidRunStat[] = L"_DidRun";
 const wchar_t kRegEULAAceptedField[] = L"eulaaccepted";
 const wchar_t kRegGoogleUpdateVersion[] = L"version";
 const wchar_t kRegInstallerProgress[] = L"InstallerProgress";
 const wchar_t kRegLangField[] = L"lang";
 const wchar_t kRegLastStartedAUField[] = L"LastStartedAU";
 const wchar_t kRegLastCheckedField[] = L"LastChecked";
 const wchar_t kRegLastCheckSuccessField[] = L"LastCheckSuccess";
 const wchar_t kRegLastInstallerResultField[] = L"LastInstallerResult";
 const wchar_t kRegLastInstallerErrorField[] = L"LastInstallerError";
 const wchar_t kRegLastInstallerExtraField[] = L"LastInstallerExtraCode1";
@@ skipping 16 matching lines @@
 const wchar_t kRegRunAsUserField[] = L"RunAsUser";
 const wchar_t kRegSendsPingsField[] = L"SendsPings";
 const wchar_t kRegUninstallCmdLine[] = L"UninstallCmdLine";
 const wchar_t kRegUsageStatsField[] = L"usagestats";
 const wchar_t kRegVersionField[] = L"pv";
 const wchar_t kRegWebAccessibleField[] = L"WebAccessible";
 
 const wchar_t kExperimentLabels[] = L"experiment_labels";
 
 }  // namespace google_update