Test BlockingLoginTestInstance with enabled webview

chromeos/login/auth/auth_status_consumer.h

Index: chromeos/login/auth/auth_status_consumer.h
diff --git a/chromeos/login/auth/auth_status_consumer.h b/chromeos/login/auth/auth_status_consumer.h
index e7e3bda56c8e25e6f9ecea89bce8eb603d9a9b8b..28f0e4e53b6b0d6252511be4e3dad3fb42b661f5 100644
--- a/chromeos/login/auth/auth_status_consumer.h
+++ b/chromeos/login/auth/auth_status_consumer.h
@@ -30,14 +30,14 @@ class CHROMEOS_EXPORT AuthFailure {
     NETWORK_AUTH_FAILED,     // Could not authenticate against Google
     OWNER_REQUIRED,          // Only the device owner can log-in.
     WHITELIST_CHECK_FAILED,  // Login attempt blocked by whitelist. This value
-                             // is
-                             // synthesized by the ExistingUserController and
+                             // is synthesized by the ExistingUserController and
                              // passed to the login_status_consumer_ in tests
     // only. It is never generated or seen by any of the
     // other authenticator classes.
-    TPM_ERROR,             // Critical TPM error encountered.
-    USERNAME_HASH_FAILED,  // Could not get username hash.
-    NUM_FAILURE_REASONS,   // This has to be the last item.
+    TPM_ERROR,                          // Critical TPM error encountered.
+    USERNAME_HASH_FAILED,               // Could not get username hash.
+    FAILED_TO_INITIALIZE_OAUTH2_TOKEN,  // Could not get OAuth2 token.
+    NUM_FAILURE_REASONS,                // This has to be the last item.
   };
 
   explicit AuthFailure(FailureReason reason)
@@ -85,6 +85,8 @@ class CHROMEOS_EXPORT AuthFailure {
         return "Login is restricted to the owner's account only.";
       case WHITELIST_CHECK_FAILED:
         return "Login attempt blocked by whitelist.";
+      case FAILED_TO_INITIALIZE_OAUTH2_TOKEN:
+        return "OAuth2 token fetch failed.";
       default:
         NOTREACHED();
         return std::string();