Revert of Move ScopedFileDescriptor to dbus/file_descriptor.h

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 e6d119d961c91cc831a9da4a16332cbfbf1e5e06..2bd678813210ee0f142e2c1e90590b903a3132a6 100644
--- a/chromeos/network/firewall_hole.h
+++ b/chromeos/network/firewall_hole.h
@@ -11,7 +11,10 @@
 #include "base/callback_forward.h"
 #include "base/memory/scoped_ptr.h"
 #include "chromeos/chromeos_export.h"
-#include "dbus/file_descriptor.h"
+
+namespace dbus {
+class FileDescriptor;
+}
 
 namespace chromeos {
 
@@ -25,6 +28,14 @@
   };
 
   typedef base::Callback<void(scoped_ptr<FirewallHole>)> OpenCallback;
+
+  // This provides a simple way to pass around file descriptors since they must
+  // be closed on a thread that is allowed to perform I/O.
+  struct FileDescriptorDeleter {
+    void CHROMEOS_EXPORT operator()(dbus::FileDescriptor* fd);
+  };
+  typedef scoped_ptr<dbus::FileDescriptor, FileDescriptorDeleter>
+      ScopedFileDescriptor;
 
   // Opens a port on the system firewall for the given network interface (or all
   // interfaces if |interface| is ""). The hole will be closed when the object
@@ -40,28 +51,28 @@
   static void RequestPortAccess(PortType type,
                                 uint16_t port,
                                 const std::string& interface,
-                                dbus::ScopedFileDescriptor lifeline_local,
-                                dbus::ScopedFileDescriptor lifeline_remote,
+                                ScopedFileDescriptor lifeline_local,
+                                ScopedFileDescriptor lifeline_remote,
                                 const OpenCallback& callback);
 
   static void PortAccessGranted(PortType type,
                                 uint16_t port,
                                 const std::string& interface,
-                                dbus::ScopedFileDescriptor lifeline_fd,
+                                ScopedFileDescriptor lifeline_fd,
                                 const FirewallHole::OpenCallback& callback,
                                 bool success);
 
   FirewallHole(PortType type,
                uint16_t port,
                const std::string& interface,
-               dbus::ScopedFileDescriptor lifeline_fd);
+               ScopedFileDescriptor 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_;
+  ScopedFileDescriptor lifeline_fd_;
 };
 
 }  // namespace chromeos