Update from chromium https://crrev.com/301315

sandbox/linux/seccomp-bpf-helpers/baseline_policy.h

Index: sandbox/linux/seccomp-bpf-helpers/baseline_policy.h
diff --git a/sandbox/linux/seccomp-bpf-helpers/baseline_policy.h b/sandbox/linux/seccomp-bpf-helpers/baseline_policy.h
index 6c0772d1482a1a85e1b8d1dfa3f69aea179e8c47..6d434b7be057a5950612b3a7028794baaa38aa11 100644
--- a/sandbox/linux/seccomp-bpf-helpers/baseline_policy.h
+++ b/sandbox/linux/seccomp-bpf-helpers/baseline_policy.h
@@ -5,7 +5,8 @@
 #ifndef SANDBOX_LINUX_SECCOMP_BPF_HELPERS_BASELINE_POLICY_H_
 #define SANDBOX_LINUX_SECCOMP_BPF_HELPERS_BASELINE_POLICY_H_
 
-#include "sandbox/linux/bpf_dsl/bpf_dsl.h"
+#include "sandbox/linux/bpf_dsl/bpf_dsl_forward.h"
+#include "sandbox/linux/bpf_dsl/policy.h"
 #include "sandbox/sandbox_export.h"
 
 namespace sandbox {
@@ -14,14 +15,14 @@ namespace sandbox {
 // that reduces the Linux kernel's attack surface. Given its nature, it doesn't
 // have a clear semantics and is mostly "implementation-defined".
 //
-// This class implements the SandboxBPFDSLPolicy interface with a "baseline"
+// This class implements the Policy interface with a "baseline"
 // policy for use within Chromium.
 // The "baseline" policy is somewhat arbitrary. All Chromium policies are an
 // alteration of it, and it represents a reasonable common ground to run most
 // code in a sandboxed environment.
 // A baseline policy is only valid for the process for which this object was
 // instantiated (so do not fork() and use it in a child).
-class SANDBOX_EXPORT BaselinePolicy : public bpf_dsl::SandboxBPFDSLPolicy {
+class SANDBOX_EXPORT BaselinePolicy : public bpf_dsl::Policy {
  public:
   BaselinePolicy();
   // |fs_denied_errno| is the errno returned when a filesystem access system