Adding an edit button for username correction while saving new credentials for password management.

components/password_manager/core/common/password_manager_features.cc

Index: components/password_manager/core/common/password_manager_features.cc
diff --git a/components/password_manager/core/common/password_manager_features.cc b/components/password_manager/core/common/password_manager_features.cc
index 1b880b338e29f7d7a9089d98766a88c03c709907..eb0e30f0ffe023b7f738b16d90dfb49b0819ae8c 100644
--- a/components/password_manager/core/common/password_manager_features.cc
+++ b/components/password_manager/core/common/password_manager_features.cc
@@ -27,6 +27,10 @@ const base::Feature kEnablePasswordForceSaving = {
 extern const base::Feature kEnableManualPasswordGeneration = {
     "enable-manual-password-generation", base::FEATURE_DISABLED_BY_DEFAULT};
 
+// Enables username correction while saving username and password details.
+extern const base::Feature kEnableUsernameCorrection{
+    "EnableUsernameCorrection", base::FEATURE_DISABLED_BY_DEFAULT};
+
 // Disallow autofilling of the sync credential.
 const base::Feature kProtectSyncCredential = {
     "protect-sync-credential", base::FEATURE_DISABLED_BY_DEFAULT};