[Password Manager] Switch password manager code to use "base/feature_list.h".

components/password_manager/core/common/password_manager_switches.cc

Index: components/password_manager/core/common/password_manager_switches.cc
diff --git a/components/password_manager/core/common/password_manager_switches.cc b/components/password_manager/core/common/password_manager_switches.cc
index 36dc474f7a7e49af1341b6b3e1e5dce2bd5320d1..7dd66b25ef8fea5c0160f644731d7d77395b61ed 100644
--- a/components/password_manager/core/common/password_manager_switches.cc
+++ b/components/password_manager/core/common/password_manager_switches.cc
@@ -38,11 +38,6 @@ const char kDisallowAutofillSyncCredentialForReauth[] =
 const char kEnableAffiliationBasedMatching[] =
     "enable-affiliation-based-matching";
 
-// Disables the save-password prompt. Passwords are then saved automatically,
-// without asking the user.
-const char kEnableAutomaticPasswordSaving[] =
-    "enable-automatic-password-saving";
-
 // Enable dropping the credential used to sync passwords.
 const char kEnableDropSyncCredential[] = "enable-drop-sync-credential";
 
@@ -50,14 +45,6 @@ const char kEnableDropSyncCredential[] = "enable-drop-sync-credential";
 // behavior.
 const char kEnableManagerForSyncSignin[] = "enable-manager-for-sync-signin";
 
-// Enable supporting of updating password in the password manager on a password
-// change form submit.
-const char kEnablePasswordChangeSupport[] = "enable-password-change-support";
-
-// Enable a context menu item in the password field that allows the user
-// to manually enforce saving of their password.
-const char kEnablePasswordForceSaving[] = "enable-password-force-saving";
-
 }  // namespace switches
 
 }  // namespace password_manager