Linux sandbox: better APIs with /proc/ arguments

components/nacl/loader/sandbox_linux/nacl_bpf_sandbox_linux.cc

 // 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.
 
 #include "components/nacl/loader/sandbox_linux/nacl_bpf_sandbox_linux.h"
 
 #include "build/build_config.h"
 
 #if defined(USE_SECCOMP_BPF)
 
@@ skipping 144 matching lines @@
 }
 
 }  // namespace
 
 #else
 
 #error "Seccomp-bpf disabled on supported architecture!"
 
 #endif  // defined(USE_SECCOMP_BPF)
 
-bool InitializeBPFSandbox(base::ScopedFD proc_task_fd) {
+bool InitializeBPFSandbox(base::ScopedFD proc_fd) {
 #if defined(USE_SECCOMP_BPF)
   bool sandbox_is_initialized = content::InitializeSandbox(
       scoped_ptr<sandbox::bpf_dsl::Policy>(new NaClBPFSandboxPolicy),
-      proc_task_fd.Pass());
+      proc_fd.Pass());
   if (sandbox_is_initialized) {
     RunSandboxSanityChecks();
     return true;
   }
 #endif  // defined(USE_SECCOMP_BPF)
   return false;
 }
 
 }  // namespace nacl