2 files changed, 5 insertions, 2 deletions
diff --git a/net/base/net_error_list.h b/net/base/net_error_list.h
index 35e0a24..6e1d642 100644
--- a/net/base/net_error_list.h
+++ b/net/base/net_error_list.h
@@ -38,6 +38,9 @@ NET_ERROR(UNEXPECTED, -9)
 // Permission to access a resource was denied.
 NET_ERROR(ACCESS_DENIED, -10)
 
+// The operation failed because of unimplemented functionality.
+NET_ERROR(NOT_IMPLEMENTED, -11)
+
 // A connection was closed (corresponding to a TCP FIN).
 NET_ERROR(CONNECTION_CLOSED, -100)
 
diff --git a/net/proxy/proxy_resolver_null.h b/net/proxy/proxy_resolver_null.h
index b9f0b32..17276e8 100644
--- a/net/proxy/proxy_resolver_null.h
+++ b/net/proxy/proxy_resolver_null.h
@@ -13,12 +13,12 @@ namespace net {
 class ProxyResolverNull : public ProxyResolver {
  public:
   virtual int GetProxyConfig(ProxyConfig* config) {
-    return ERR_FAILED;
+    return ERR_NOT_IMPLEMENTED;
   }
   virtual int GetProxyForURL(const std::string& query_url,
                              const std::string& pac_url,
                              ProxyInfo* results) {
-    return ERR_FAILED;
+    return ERR_NOT_IMPLEMENTED;
   }
 };