Make rawdatastore API safer for writing filters.

filter/count/gi.go

Index: filter/count/gi.go
diff --git a/filter/count/gi.go b/filter/count/gi.go
index da651eeb145f1a5a768de7073e221c6d4669f9e5..548692b0e09c29c082e6feeff36b54b75f4722c2 100644
--- a/filter/count/gi.go
+++ b/filter/count/gi.go
@@ -15,6 +15,7 @@ import (
 // InfoCounter is the counter object for the GlobalInfo service.
 type InfoCounter struct {
 	AppID                  Entry
+	GetNamespace           Entry
 	Datacenter             Entry
 	DefaultVersionHostname Entry
 	InstanceID             Entry
@@ -46,6 +47,11 @@ func (g *infoCounter) AppID() string {
 	return g.gi.AppID()
 }
 
+func (g *infoCounter) GetNamespace() string {
+	g.c.GetNamespace.up()
+	return g.gi.GetNamespace()
+}
+
 func (g *infoCounter) Datacenter() string {
 	g.c.Datacenter.up()
 	return g.gi.Datacenter()