Rewrite all BPF policies to use DSL API

content/common/sandbox_linux/bpf_cros_arm_gpu_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_CROS_ARM_GPU_POLICY_LINUX_H_
 #define CONTENT_COMMON_SANDBOX_LINUX_BPF_CROS_ARM_GPU_POLICY_LINUX_H_
 
 #include "content/common/sandbox_linux/bpf_gpu_policy_linux.h"
 
 namespace content {
 
 // This policy is for Chrome OS ARM.
 class CrosArmGpuProcessPolicy : public GpuProcessPolicy {
  public:
   explicit CrosArmGpuProcessPolicy(bool allow_shmat);
   virtual ~CrosArmGpuProcessPolicy();
 
-  virtual ErrorCode EvaluateSyscall(SandboxBPF* sandbox_compiler,
-                                    int system_call_number) const OVERRIDE;
+  virtual sandbox::bpf_dsl::ResultExpr EvaluateSyscall(
+      int sysno) const OVERRIDE;
   virtual bool PreSandboxHook() OVERRIDE;
 
  private:
   const bool allow_shmat_;  // Allow shmat(2).
   DISALLOW_COPY_AND_ASSIGN(CrosArmGpuProcessPolicy);
 };
 
 }  // namespace content
 
-#endif // CONTENT_COMMON_SANDBOX_LINUX_BPF_CROS_ARM_GPU_POLICY_LINUX_H_
+#endif  // CONTENT_COMMON_SANDBOX_LINUX_BPF_CROS_ARM_GPU_POLICY_LINUX_H_