Move DirectoryReader::ReadEntries to FileRef::ReadDirectoryEntries

ppapi/thunk/ppb_file_ref_thunk.cc

Index: ppapi/thunk/ppb_file_ref_thunk.cc
diff --git a/ppapi/thunk/ppb_file_ref_thunk.cc b/ppapi/thunk/ppb_file_ref_thunk.cc
index 3c56c5cabc3cfbea44e6ca15773bf0f965f55481..cec054b3159e21320f26bcbe078e74eacf363df1 100644
--- a/ppapi/thunk/ppb_file_ref_thunk.cc
+++ b/ppapi/thunk/ppb_file_ref_thunk.cc
@@ -116,6 +116,15 @@ int32_t Query(PP_Resource file_ref,
                                                enter.callback()));
 }
 
+int32_t ReadEntries(PP_Resource file_ref,
+                    PP_ArrayOutput output,
+                    PP_CompletionCallback callback) {
+  EnterFileRef enter(file_ref, callback, true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.SetResult(enter.object()->ReadEntries(output, enter.callback()));
+}
+
 PP_Var GetAbsolutePath(PP_Resource file_ref) {
   EnterFileRef enter(file_ref, true);
   if (enter.failed())
@@ -147,7 +156,8 @@ const PPB_FileRef_1_1 g_ppb_file_ref_thunk_1_1 = {
   &Touch,
   &Delete,
   &Rename,
-  &Query
+  &Query,
+  &ReadEntries
 };
 
 const PPB_FileRefPrivate g_ppb_file_ref_private_thunk = {