Rewrite all BPF policies to use DSL API

content/common/sandbox_linux/bpf_renderer_policy_linux.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_COMMON_SANDBOX_LINUX_BPF_RENDERER_POLICY_LINUX_H_
 #define CONTENT_COMMON_SANDBOX_LINUX_BPF_RENDERER_POLICY_LINUX_H_
 
 #include "content/common/sandbox_linux/sandbox_bpf_base_policy_linux.h"
 
 namespace content {
 
 // This policy can be used by both renderer and worker processes.
 class RendererProcessPolicy : public SandboxBPFBasePolicy {
  public:
   RendererProcessPolicy();
   virtual ~RendererProcessPolicy();
 
-  virtual ErrorCode EvaluateSyscall(SandboxBPF* sandbox_compiler,
-                                    int system_call_number) const OVERRIDE;
+  virtual sandbox::bpf_dsl::ResultExpr EvaluateSyscall(
+      int system_call_number) const OVERRIDE;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(RendererProcessPolicy);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_SANDBOX_LINUX_BPF_RENDERER_POLICY_LINUX_H_