Standardize usage of virtual/override/final specifiers.

content/common/sandbox_linux/sandbox_seccomp_bpf_linux.cc

 // Copyright (c) 2012 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.
 
 #include "content/common/sandbox_linux/sandbox_seccomp_bpf_linux.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
@@ skipping 62 matching lines @@
 #if defined(__arm__)
   return true;
 #else
   return false;
 #endif
 }
 
 class BlacklistDebugAndNumaPolicy : public SandboxBPFBasePolicy {
  public:
   BlacklistDebugAndNumaPolicy() {}
-  virtual ~BlacklistDebugAndNumaPolicy() {}
+  ~BlacklistDebugAndNumaPolicy() override {}
 
-  virtual ResultExpr EvaluateSyscall(int system_call_number) const override;
+  ResultExpr EvaluateSyscall(int system_call_number) const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BlacklistDebugAndNumaPolicy);
 };
 
 ResultExpr BlacklistDebugAndNumaPolicy::EvaluateSyscall(int sysno) const {
   if (SyscallSets::IsDebug(sysno) || SyscallSets::IsNuma(sysno))
     return sandbox::CrashSIGSYS();
 
   return Allow();
 }
 
 class AllowAllPolicy : public SandboxBPFBasePolicy {
  public:
   AllowAllPolicy() {}
-  virtual ~AllowAllPolicy() {}
+  ~AllowAllPolicy() override {}
 
-  virtual ResultExpr EvaluateSyscall(int system_call_number) const override;
+  ResultExpr EvaluateSyscall(int system_call_number) const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AllowAllPolicy);
 };
 
 // Allow all syscalls.
 // This will still deny x32 or IA32 calls in 64 bits mode or
 // 64 bits system calls in compatibility mode.
 ResultExpr AllowAllPolicy::EvaluateSyscall(int sysno) const {
   return Allow();
@@ skipping 179 matching lines @@
 
 scoped_ptr<sandbox::bpf_dsl::Policy> SandboxSeccompBPF::GetBaselinePolicy() {
 #if defined(USE_SECCOMP_BPF)
   return scoped_ptr<sandbox::bpf_dsl::Policy>(new BaselinePolicy);
 #else
   return scoped_ptr<sandbox::bpf_dsl::Policy>();
 #endif  // defined(USE_SECCOMP_BPF)
 }
 
 }  // namespace content