Linux sandbox: better APIs with /proc/ arguments

sandbox/linux/seccomp-bpf/sandbox_bpf.h

Index: sandbox/linux/seccomp-bpf/sandbox_bpf.h
diff --git a/sandbox/linux/seccomp-bpf/sandbox_bpf.h b/sandbox/linux/seccomp-bpf/sandbox_bpf.h
index e46889b14fff9b9a01ab835c2844098056d6c807..96cceb56480b7f6be4bfb158c4439d524c8a7318 100644
--- a/sandbox/linux/seccomp-bpf/sandbox_bpf.h
+++ b/sandbox/linux/seccomp-bpf/sandbox_bpf.h
@@ -64,14 +64,14 @@ class SANDBOX_EXPORT SandboxBPF {
   // combined policy. So, it should only be used if there are no alternatives.
   bool StartSandbox(SeccompLevel level) WARN_UNUSED_RESULT;
 
-  // The sandbox needs to be able to access files in "/proc/self/task/". If
+  // The sandbox needs to be able to access files in "/proc/self/". If
   // this directory is not accessible when "StartSandbox()" gets called, the
   // caller must provide an already opened file descriptor by calling
-  // "SetProcTaskFd()".
+  // "SetProcFd()".
   // The sandbox becomes the new owner of this file descriptor and will
   // close it when "StartSandbox()" executes or when the sandbox object
   // disappears.
-  void SetProcTaskFd(base::ScopedFD proc_task_fd);
+  void SetProcFd(base::ScopedFD proc_fd);
 
   // Checks whether a particular system call number is valid on the current
   // architecture.
@@ -106,7 +106,7 @@ class SANDBOX_EXPORT SandboxBPF {
   // been configured with SetSandboxPolicy().
   void InstallFilter(bool must_sync_threads);
 
-  base::ScopedFD proc_task_fd_;
+  base::ScopedFD proc_fd_;
   bool sandbox_has_started_;
   scoped_ptr<bpf_dsl::Policy> policy_;