[MD Settings][People] Force sign out only in the case of unrecoverable error

chrome/browser/sync/sync_ui_util.h

Index: chrome/browser/sync/sync_ui_util.h
diff --git a/chrome/browser/sync/sync_ui_util.h b/chrome/browser/sync/sync_ui_util.h
index ca78bd9d560455fa9c4081b41a5b2ae4f5472e9e..9f976db08aa897adc11ddbe6e18dd5067717956f 100644
--- a/chrome/browser/sync/sync_ui_util.h
+++ b/chrome/browser/sync/sync_ui_util.h
@@ -29,10 +29,11 @@ enum MessageType {
 
 // The action associated with the sync status.
 enum ActionType {
-  NO_ACTION,         // No action to take.
-  REAUTHENTICATE,    // User needs to reauthenticate.
-  UPGRADE_CLIENT,    // User needs to upgrade the client.
-  ENTER_PASSPHRASE,  // User needs to enter their passphrase.
+  NO_ACTION,           // No action to take.
+  REAUTHENTICATE,      // User needs to reauthenticate.
+  SIGNOUT_AND_SIGNIN,  // User needs to sign out and sign in.
+  UPGRADE_CLIENT,      // User needs to upgrade the client.
+  ENTER_PASSPHRASE,    // User needs to enter their passphrase.
 };
 
 enum StatusLabelStyle {