Use base::File for the OpenResourceCallback's argument.

components/nacl/renderer/manifest_service_channel.cc

Index: components/nacl/renderer/manifest_service_channel.cc
diff --git a/components/nacl/renderer/manifest_service_channel.cc b/components/nacl/renderer/manifest_service_channel.cc
index 407b92bd1d08a2f0d526e1a2ef8fb68c9c3b48ff..cb397038f82760ea310db0e093078bca4035ea41 100644
--- a/components/nacl/renderer/manifest_service_channel.cc
+++ b/components/nacl/renderer/manifest_service_channel.cc
@@ -85,13 +85,13 @@ void ManifestServiceChannel::OnOpenResource(
 
 #if !defined(OS_WIN)
 void ManifestServiceChannel::DidOpenResource(
-    IPC::Message* reply, const base::PlatformFile& platform_file) {
+    IPC::Message* reply, base::File file) {
   // Here, PlatformFileForTransit is alias of base::FileDescriptor.
   PpapiHostMsg_OpenResource::WriteReplyParams(
       reply,
       ppapi::proxy::SerializedHandle(
           ppapi::proxy::SerializedHandle::FILE,
-          base::FileDescriptor(platform_file, true)));
+          base::FileDescriptor(file.Pass())));
   Send(reply);
 }
 #endif