Add min and max to ExecutionMode enum.

components/chrome_cleaner/public/constants/constants.h

Index: components/chrome_cleaner/public/constants/constants.h
diff --git a/components/chrome_cleaner/public/constants/constants.h b/components/chrome_cleaner/public/constants/constants.h
index d31232ab52bbd7070e4edd035bbbda09cb5e9feb..3616c127cef2770bd270f023ba54c7f009910ef6 100644
--- a/components/chrome_cleaner/public/constants/constants.h
+++ b/components/chrome_cleaner/public/constants/constants.h
@@ -114,6 +114,10 @@ enum class ExecutionMode {
   // to the user and logs will only be uploaded if the user opted into Extended
   // Safe Browsing Reporting v2.
   kPostRebootValidation = 3,
+
+  // Auxiliary enumerators for range checking.
+  kMin = kNone,
+  kMax = kPostRebootValidation,

[Joe Mason, 2017/04/24 14:36:15]

Can you use kNumValues (= kPostRebootValidation + 1) instead of kMax, so that it
will automatically be updated if more elements are added?

[ftirelo, 2017/04/24 15:16:12]

Done.

 };
 
 }  // namespace chrome_cleaner