1 files changed, 3 insertions, 0 deletions
diff --git a/net/http/http_auth.h b/net/http/http_auth.h
index 8f594e2..5557694 100644
--- a/net/http/http_auth.h
+++ b/net/http/http_auth.h
@@ -21,6 +21,9 @@ class HttpAuth {
    // Http authentication can be done the the proxy server, origin server,
    // or both. This enum tracks who the target is.
    enum Target {
+     AUTH_NONE = -1,
+     // We depend on the valid targets (!= AUTH_NONE) being usable as indexes
+     // in an array, so start from 0.
      AUTH_PROXY = 0,
      AUTH_SERVER = 1,
    };