Refactor a bit.

helper/datastore.go

Index: helper/datastore.go
diff --git a/helper/datastore.go b/helper/datastore.go
deleted file mode 100644
index 038dbbbe92f41cfa293b86fdc5f77910f033ccf8..0000000000000000000000000000000000000000
--- a/helper/datastore.go
+++ /dev/null
@@ -1,35 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// HEAVILY adapted from github.com/golang/appengine/datastore
-
-package helper
-
-import (
-	"reflect"
-
-	"github.com/luci/gae"
-)
-
-// GetPLS resolves o into a gae.DSStructPLS. o must be a pointer to a
-// struct of some sort.
-func GetPLS(o interface{}) gae.DSPropertyLoadSaver {
-	v := reflect.ValueOf(o)
-	if v.Kind() != reflect.Ptr || v.Elem().Kind() != reflect.Struct {
-		return &structPLS{c: &structCodec{problem: gae.ErrDSInvalidEntityType}}
-	}
-	v = v.Elem()
-	t := v.Type()
-
-	structCodecsMutex.RLock()
-	if c, ok := structCodecs[t]; ok {
-		structCodecsMutex.RUnlock()
-		return &structPLS{v, c}
-	}
-	structCodecsMutex.RUnlock()
-
-	structCodecsMutex.Lock()
-	defer structCodecsMutex.Unlock()
-	return &structPLS{v, getStructCodecLocked(t)}
-}