Pepper: DescWrapper cleanup in PnaclResources.

ppapi/native_client/src/trusted/plugin/service_runtime.cc

Index: ppapi/native_client/src/trusted/plugin/service_runtime.cc
diff --git a/ppapi/native_client/src/trusted/plugin/service_runtime.cc b/ppapi/native_client/src/trusted/plugin/service_runtime.cc
index 063bb9128f1398c559b06de459f49d2c270f7feb..29d8d2eecfa6643b7401a9c1cf177c82f225d7a3 100644
--- a/ppapi/native_client/src/trusted/plugin/service_runtime.cc
+++ b/ppapi/native_client/src/trusted/plugin/service_runtime.cc
@@ -368,9 +368,12 @@ void PluginReverseInterface::OpenManifestEntry_MainThreadContinuation(
   if (PnaclUrls::IsPnaclComponent(mapped_url)) {
     // Special PNaCl support files, that are installed on the
     // user machine.
-    int32_t fd = PnaclResources::GetPnaclFD(
-        plugin_,
+    PP_FileHandle handle = plugin_->nacl_interface()->GetReadonlyPnaclFd(
         PnaclUrls::PnaclComponentURLToFilename(mapped_url).c_str());
+    int32_t fd = -1;
+    if (handle != PP_kInvalidFileHandle)
+      fd = ConvertFileDescriptor(handle, true);
+
     if (fd < 0) {
       // We checked earlier if the pnacl component wasn't installed
       // yet, so this shouldn't happen. At this point, we can't do much