Update from https://crrev.com/306655

sandbox/linux/bpf_dsl/bpf_dsl_impl.h

Index: sandbox/linux/bpf_dsl/bpf_dsl_impl.h
diff --git a/sandbox/linux/bpf_dsl/bpf_dsl_impl.h b/sandbox/linux/bpf_dsl/bpf_dsl_impl.h
index 48b91692b66272197bbc69f8702b6cd4b0d41a42..2ffaf79c2fda9c4c4bb4e611f5c00a52dfcb7bb5 100644
--- a/sandbox/linux/bpf_dsl/bpf_dsl_impl.h
+++ b/sandbox/linux/bpf_dsl/bpf_dsl_impl.h
@@ -47,6 +47,12 @@ class ResultExprImpl : public base::RefCounted<ResultExprImpl> {
   // contains an unsafe trap expression.
   virtual bool HasUnsafeTraps() const;
 
+  // IsAllow returns whether the result expression is an "allow" result.
+  virtual bool IsAllow() const;
+
+  // IsAllow returns whether the result expression is a "deny" result.
+  virtual bool IsDeny() const;
+
  protected:
   ResultExprImpl() {}
   virtual ~ResultExprImpl() {}