CL for perf tryjob on win

chrome/installer/util/install_util.cc

Index: chrome/installer/util/install_util.cc
diff --git a/chrome/installer/util/install_util.cc b/chrome/installer/util/install_util.cc
index 41638816ab5e781a0a8777a1d49a26b9c625621b..23e84a87e528c874a9f10471701a6c3ba6017dd2 100644
--- a/chrome/installer/util/install_util.cc
+++ b/chrome/installer/util/install_util.cc
@@ -374,6 +374,17 @@ void InstallUtil::UpdateInstallerStage(bool system_install,
   }
 }
 
+const base::char16* const InstallUtil::StageToString(
+    installer::InstallerStage stage) {
+  DCHECK_LE(static_cast<installer::InstallerStage>(0), stage);
+  DCHECK_GT(installer::NUM_STAGES, stage);
+  if (stage == 0)
+    return L"none";
+  if (kStages[stage] == nullptr)
+    return L"deprecated";
+  return kStages[stage];
+}
+
 bool InstallUtil::IsPerUserInstall(const base::FilePath& exe_path) {
   scoped_ptr<base::Environment> env(base::Environment::Create());