Simplify memory package interface.

go/src/infra/gae/libs/wrapper/memory/globalinfo.go

 // 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.
 
 package memory
 
 import (
         "infra/gae/libs/wrapper"
 
         "golang.org/x/net/context"
 )
 
 type giContextKeyType int
 
 var giContextKey giContextKeyType
 
 func curGID(c context.Context) *globalInfoData {
         return c.Value(giContextKey).(*globalInfoData)
 }
 
-// UseGI adds a wrapper.GlobalInfo context, accessible
+// useGI adds a wrapper.GlobalInfo context, accessible
 // by wrapper.GetGI(c)
-func UseGI(c context.Context) context.Context {
+func useGI(c context.Context) context.Context {
         return wrapper.SetGIFactory(c, func(ic context.Context) wrapper.GlobalInfo {
                 return &giImpl{wrapper.DummyGI(), curGID(ic), ic}
         })
 }
 
 type globalInfoData struct{ namespace string }
 
 type giImpl struct {
         wrapper.GlobalInfo
         data *globalInfoData
         c    context.Context
 }
 
 var _ = wrapper.GlobalInfo((*giImpl)(nil))
 
 func (gi *giImpl) Namespace(ns string) (context.Context, error) {
         return context.WithValue(gi.c, giContextKey, &globalInfoData{ns}), nil
 }