Improve docs

filters/featureBreaker/gi.go

Index: filters/featureBreaker/gi.go
diff --git a/filters/featureBreaker/gi.go b/filters/featureBreaker/gi.go
deleted file mode 100644
index b051b6bbdf6752da5e44d7311de7546fee19ed11..0000000000000000000000000000000000000000
--- a/filters/featureBreaker/gi.go
+++ /dev/null
@@ -1,75 +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.
-
-package featureBreaker
-
-import (
-	"time"
-
-	"golang.org/x/net/context"
-
-	"github.com/luci/gae/service/info"
-)
-
-type infoState struct {
-	*state
-
-	info.Interface
-}
-
-func (g *infoState) ModuleHostname(module, version, instance string) (ret string, err error) {
-	err = g.run(func() (err error) {
-		ret, err = g.Interface.ModuleHostname(module, version, instance)
-		return
-	})
-	return
-}
-
-func (g *infoState) ServiceAccount() (ret string, err error) {
-	err = g.run(func() (err error) {
-		ret, err = g.Interface.ServiceAccount()
-		return
-	})
-	return
-}
-
-func (g *infoState) Namespace(namespace string) (ret context.Context, err error) {
-	err = g.run(func() (err error) {
-		ret, err = g.Interface.Namespace(namespace)
-		return
-	})
-	return
-}
-
-func (g *infoState) AccessToken(scopes ...string) (token string, expiry time.Time, err error) {
-	err = g.run(func() (err error) {
-		token, expiry, err = g.Interface.AccessToken(scopes...)
-		return
-	})
-	return
-}
-
-func (g *infoState) PublicCertificates() (ret []info.Certificate, err error) {
-	err = g.run(func() (err error) {
-		ret, err = g.Interface.PublicCertificates()
-		return
-	})
-	return
-}
-
-func (g *infoState) SignBytes(bytes []byte) (keyName string, signature []byte, err error) {
-	err = g.run(func() (err error) {
-		keyName, signature, err = g.Interface.SignBytes(bytes)
-		return
-	})
-	return
-}
-
-// FilterGI installs a counter info filter in the context.
-func FilterGI(c context.Context, defaultError error) (context.Context, FeatureBreaker) {
-	state := newState(defaultError)
-	return info.AddFilters(c, func(ic context.Context, i info.Interface) info.Interface {
-		return &infoState{state, i}
-	}), state
-}