Change LocaleManager to accommodate more dialog flows

chrome/browser/android/chrome_feature_list.cc

Index: chrome/browser/android/chrome_feature_list.cc
diff --git a/chrome/browser/android/chrome_feature_list.cc b/chrome/browser/android/chrome_feature_list.cc
index 23e63e7d19d11d03df21a0e51304957f38560439..0a7cddd040ef85079b8698ca343bb07ea68d4ead 100644
--- a/chrome/browser/android/chrome_feature_list.cc
+++ b/chrome/browser/android/chrome_feature_list.cc
@@ -154,6 +154,12 @@ const base::Feature kImportantSitesInCBD{"ImportantSitesInCBD",
 const base::Feature kImprovedA2HS{"ImprovedA2HS",
                                   base::FEATURE_DISABLED_BY_DEFAULT};
 
+const base::Feature kSearchEnginePromoExistingDevice{
+    "SearchEnginePromo.ExistingDevice", base::FEATURE_DISABLED_BY_DEFAULT};
+
+const base::Feature kSearchEnginePromoNewDevice{
+    "SearchEnginePromo.NewDevice", base::FEATURE_DISABLED_BY_DEFAULT};
+
 const base::Feature kNewPhotoPicker{"NewPhotoPicker",
                                     base::FEATURE_DISABLED_BY_DEFAULT};