Standardize usage of virtual/override/final specifiers.

content/common/sandbox_linux/bpf_gpu_policy_linux.cc

 // Copyright (c) 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.
 
 #include "content/common/sandbox_linux/bpf_gpu_policy_linux.h"
 
 #include <dlfcn.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/socket.h>
@@ skipping 104 matching lines @@
       RAW_CHECK(false);
       return -ENOSYS;
   }
 }
 
 class GpuBrokerProcessPolicy : public GpuProcessPolicy {
  public:
   static sandbox::bpf_dsl::Policy* Create() {
     return new GpuBrokerProcessPolicy();
   }
-  virtual ~GpuBrokerProcessPolicy() {}
+  ~GpuBrokerProcessPolicy() override {}
 
-  virtual ResultExpr EvaluateSyscall(int system_call_number) const override;
+  ResultExpr EvaluateSyscall(int system_call_number) const override;
 
  private:
   GpuBrokerProcessPolicy() {}
   DISALLOW_COPY_AND_ASSIGN(GpuBrokerProcessPolicy);
 };
 
 // x86_64/i386 or desktop ARM.
 // A GPU broker policy is the same as a GPU policy with open and
 // openat allowed.
 ResultExpr GpuBrokerProcessPolicy::EvaluateSyscall(int sysno) const {
@@ skipping 145 matching lines @@
   broker_process_ = new BrokerProcess(GetFSDeniedErrno(),
                                       read_whitelist,
                                       write_whitelist);
   // The initialization callback will perform generic initialization and then
   // call broker_sandboxer_callback.
   CHECK(broker_process_->Init(base::Bind(&UpdateProcessTypeAndEnableSandbox,
                                          broker_sandboxer_allocator)));
 }
 
 }  // namespace content