Move shared constants to //components/chrome_cleaner

components/chrome_cleaner/public/constants/constants.cc

Index: components/chrome_cleaner/public/constants/constants.cc
diff --git a/components/chrome_cleaner/public/constants/constants.cc b/components/chrome_cleaner/public/constants/constants.cc
index df8530f693d132dc3a1ef4b58b331f7b8c0a7e3c..8d5ea793d07ee1cfefba5031180aad181eafccf3 100644
--- a/components/chrome_cleaner/public/constants/constants.cc
+++ b/components/chrome_cleaner/public/constants/constants.cc
@@ -14,9 +14,11 @@ const char kChromePromptSwitch[] = "chrome-prompt";
 const char kChromeSystemInstallSwitch[] = "chrome-system-install";
 const char kChromeVersionSwitch[] = "chrome-version";
 const char kEnableCrashReportingSwitch[] = "enable-crash-reporting";
+const char kEngineExperimentGroupSwitch[] = "engine-experiment-group";
 const char kExecutionModeSwitch[] = "execution-mode";
 const char kExtendedSafeBrowsingEnabledSwitch[] =
     "extended-safebrowsing-enabled";
+const char kRegistrySuffixSwitch[] = "registry-suffix";
 const char kSessionIdSwitch[] = "session-id";
 const char kUmaUserSwitch[] = "uma-user";