[Chrome OS] Infrastucture for doing offline/online login simultaneously

chrome/browser/chromeos/login/login_status_consumer.h

Index: chrome/browser/chromeos/login/login_status_consumer.h
diff --git a/chrome/browser/chromeos/login/login_status_consumer.h b/chrome/browser/chromeos/login/login_status_consumer.h
index bf2c3f0cd4f5666e497338c0bd74b919fb2c3c0a..b762e385b6da3e6fe3b9e1cebb0999a580041aca 100644
--- a/chrome/browser/chromeos/login/login_status_consumer.h
+++ b/chrome/browser/chromeos/login/login_status_consumer.h
@@ -16,6 +16,7 @@ namespace chromeos {
 class LoginFailure {
  public:
   enum FailureReason {
+    NONE,
     COULD_NOT_MOUNT_CRYPTOHOME,
     COULD_NOT_MOUNT_TMPFS,
     DATA_REMOVAL_FAILED,  // Could not destroy your old data
@@ -45,6 +46,10 @@ class LoginFailure {
     return LoginFailure(NETWORK_AUTH_FAILED, error);
   }
 
+  static LoginFailure None() {
+    return LoginFailure(NONE);
+  }
+
   const std::string GetErrorString() const {
     switch (reason_) {
       case DATA_REMOVAL_FAILED: