chromeos: Remove dbus::FileDescriptor from PermissionBrokerClient

chromeos/network/firewall_hole.h

Index: chromeos/network/firewall_hole.h
diff --git a/chromeos/network/firewall_hole.h b/chromeos/network/firewall_hole.h
index 63a7bc0e30a640009bf0166a91b571a908c132c4..61b0fc892bf9fbc45bf36319a879330679514418 100644
--- a/chromeos/network/firewall_hole.h
+++ b/chromeos/network/firewall_hole.h
@@ -11,8 +11,8 @@
 #include <string>
 
 #include "base/callback_forward.h"
+#include "base/files/scoped_file.h"
 #include "chromeos/chromeos_export.h"
-#include "dbus/file_descriptor.h"
 
 namespace chromeos {
 
@@ -38,31 +38,24 @@ class CHROMEOS_EXPORT FirewallHole {
   ~FirewallHole();
 
  private:
-  static void RequestPortAccess(PortType type,
-                                uint16_t port,
-                                const std::string& interface,
-                                dbus::ScopedFileDescriptor lifeline_local,
-                                dbus::ScopedFileDescriptor lifeline_remote,
-                                const OpenCallback& callback);
-
   static void PortAccessGranted(PortType type,
                                 uint16_t port,
                                 const std::string& interface,
-                                dbus::ScopedFileDescriptor lifeline_fd,
+                                base::ScopedFD lifeline_fd,
                                 const FirewallHole::OpenCallback& callback,
                                 bool success);
 
   FirewallHole(PortType type,
                uint16_t port,
                const std::string& interface,
-               dbus::ScopedFileDescriptor lifeline_fd);
+               base::ScopedFD lifeline_fd);
 
   const PortType type_;
   const uint16_t port_;
   const std::string interface_;
 
   // A file descriptor used by firewalld to track the lifetime of this process.
-  dbus::ScopedFileDescriptor lifeline_fd_;
+  base::ScopedFD lifeline_fd_;
 };
 
 }  // namespace chromeos