SECCOMP-BPF: Refactor the BPF sandbox API to use fewer "static" fields and methods.

sandbox/linux/seccomp-bpf/util.h

Index: sandbox/linux/seccomp-bpf/util.h
diff --git a/sandbox/linux/seccomp-bpf/util.h b/sandbox/linux/seccomp-bpf/util.h
index 2b3f22a63096edc91a8329b87dda69614c45ee20..27fc69173827e2c883e4eeafbfc5654525622385 100644
--- a/sandbox/linux/seccomp-bpf/util.h
+++ b/sandbox/linux/seccomp-bpf/util.h
@@ -11,7 +11,7 @@ class Util {
  public:
   static bool SendFds(int transport, const void *buf, size_t len, ...);
   static bool GetFds(int transport, void *buf, size_t *len, ...);
-  static void CloseAllBut(int fd, ...);
+  static void CloseAllBut(int proc_fd, int fd, ...);
 };
 
 }  // namespace