Refactor a bit.

impl/memory/globalinfo.go

Index: impl/memory/globalinfo.go
diff --git a/memory/globalinfo.go b/impl/memory/globalinfo.go
similarity index 82%
rename from memory/globalinfo.go
rename to impl/memory/globalinfo.go
index 39b1e126b877284685b78b702f8269062829c8d0..f5a21b1969359b7bf2484d121c02d0b38f7b9776 100644
--- a/memory/globalinfo.go
+++ b/impl/memory/globalinfo.go
@@ -7,8 +7,8 @@ package memory
 import (
 	"golang.org/x/net/context"
 
-	"github.com/luci/gae"
-	"github.com/luci/gae/dummy"
+	"github.com/luci/gae/impl/dummy"
+	"github.com/luci/gae/service/info"
 )
 
 type giContextKeyType int
@@ -22,8 +22,8 @@ func curGID(c context.Context) *globalInfoData {
 // useGI adds a gae.GlobalInfo context, accessible
 // by gae.GetGI(c)
 func useGI(c context.Context) context.Context {
-	return gae.SetGIFactory(c, func(ic context.Context) gae.GlobalInfo {
-		return &giImpl{dummy.GI(), curGID(ic), ic}
+	return info.SetFactory(c, func(ic context.Context) info.Interface {
+		return &giImpl{dummy.Info(), curGID(ic), ic}
 	})
 }
 
@@ -38,12 +38,12 @@ type globalInfoData struct {
 }
 
 type giImpl struct {
-	gae.GlobalInfo
+	info.Interface
 	*globalInfoData
 	c context.Context
 }
 
-var _ = gae.GlobalInfo((*giImpl)(nil))
+var _ = info.Interface((*giImpl)(nil))
 
 func (gi *giImpl) Namespace(ns string) (ret context.Context, err error) {
 	return context.WithValue(gi.c, giContextKey, &globalInfoData{ns}), nil