CL for perf tryjob on win

chrome/installer/util/install_util.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.
 //
 // See the corresponding header file for description of the functions in this
 // file.
 
 #include "chrome/installer/util/install_util.h"
 
 #include <shellapi.h>
@@ skipping 356 matching lines @@
     if (channel_info.SetStage(kStages[stage]) &&
         !channel_info.Write(&state_key)) {
       LOG(ERROR) << "Failed writing installer stage to " << state_key_path;
     }
   } else {
     LOG(ERROR) << "Failed opening " << state_key_path
                << " to update installer stage; result: " << result;
   }
 }
 
+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());
 
   static const char kEnvProgramFilesPath[] = "CHROME_PROBED_PROGRAM_FILES_PATH";
   std::string env_program_files_path;
   // Check environment variable to find program files path.
   base::FilePath program_files_path;
   if (env->GetVar(kEnvProgramFilesPath, &env_program_files_path) &&
       !env_program_files_path.empty()) {
     program_files_path =
@@ skipping 296 matching lines @@
   // Open the program and see if it references the expected file.
   base::File file;
   BY_HANDLE_FILE_INFORMATION info = {};
 
   return (OpenForInfo(path, &file) &&
           GetInfo(file, &info) &&
           info.dwVolumeSerialNumber == file_info_.dwVolumeSerialNumber &&
           info.nFileIndexHigh == file_info_.nFileIndexHigh &&
           info.nFileIndexLow == file_info_.nFileIndexLow);
 }