PNaCl cleanup: Reuse base::File for closing a handle/FD

components/nacl/renderer/plugin/utility.cc

Index: components/nacl/renderer/plugin/utility.cc
diff --git a/components/nacl/renderer/plugin/utility.cc b/components/nacl/renderer/plugin/utility.cc
index 0a2536833a046f4409089a778ea8c96ba246f8fc..14c770f79bb1492e8038240ec8fe741f431d5770 100644
--- a/components/nacl/renderer/plugin/utility.cc
+++ b/components/nacl/renderer/plugin/utility.cc
@@ -73,12 +73,4 @@ void SetNaClInterface(const PPB_NaCl_Private* nacl_interface) {
   g_nacl_interface = nacl_interface;
 }
 
-void CloseFileHandle(PP_FileHandle file_handle) {
-#if NACL_WINDOWS
-  CloseHandle(file_handle);
-#else
-  close(file_handle);
-#endif
-}
-
 }  // namespace plugin