CL for perf tryjob on win

chrome/installer/util/install_util.h

Index: chrome/installer/util/install_util.h
diff --git a/chrome/installer/util/install_util.h b/chrome/installer/util/install_util.h
index 6371711ec71ddb7b2a153b1a73ea386608ac71f5..12950cb65c12af3a2f9c8706e906ed017512f077 100644
--- a/chrome/installer/util/install_util.h
+++ b/chrome/installer/util/install_util.h
@@ -95,6 +95,9 @@ class InstallUtil {
                                    const base::string16& state_key_path,
                                    installer::InstallerStage stage);
 
+  // Returns a string representing |stage|.
+  static const base::char16* const StageToString(installer::InstallerStage);
+
   // Returns true if this installation path is per user, otherwise returns false
   // (per machine install, meaning: the exe_path contains the path to Program
   // Files).