Add Query() support to FileRef

webkit/plugins/ppapi/ppb_file_ref_impl.cc

Index: webkit/plugins/ppapi/ppb_file_ref_impl.cc
diff --git a/webkit/plugins/ppapi/ppb_file_ref_impl.cc b/webkit/plugins/ppapi/ppb_file_ref_impl.cc
index aacc016a8860384b75056349f637a36ab5d0187d..f781608ec0097038e599b7fa4aa8105eafeb2a49 100644
--- a/webkit/plugins/ppapi/ppb_file_ref_impl.cc
+++ b/webkit/plugins/ppapi/ppb_file_ref_impl.cc
@@ -293,5 +293,22 @@ bool PPB_FileRef_Impl::IsValidNonExternalFileSystem() const {
       file_system_->type() != PP_FILESYSTEMTYPE_EXTERNAL;
 }
 
+int32_t PPB_FileRef_Impl::Query(PP_FileInfo* info,
+                                scoped_refptr<TrackedCallback> callback) {
+  if (!IsValidNonExternalFileSystem())
+    return PP_ERROR_NOACCESS;
+
+  PluginInstance* plugin_instance = ResourceHelper::GetPluginInstance(this);
+  if (!plugin_instance)
+    return PP_ERROR_FAILED;
+
+  if (!plugin_instance->delegate()->Query(
+          GetFileSystemURL(),
+          new FileCallbacks(this, callback, info, file_system_)))
+    return PP_ERROR_FAILED;
+
+  return PP_OK_COMPLETIONPENDING;
+}
+
 }  // namespace ppapi
 }  // namespace webkit