1 files changed, 0 insertions, 70 deletions
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator_1_8.go b/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator_1_8.go
deleted file mode 100644
index 98b565096..000000000
--- a/vendor/github.com/prometheus/client_golang/prometheus/promhttp/delegator_1_8.go
+++ /dev/null
@@ -1,70 +0,0 @@
-// Copyright 2017 The Prometheus Authors
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// +build go1.8
-
-package promhttp
-
-import (
-	"io"
-	"net/http"
-)
-
-// newDelegator handles the four different methods of upgrading a
-// http.ResponseWriter to delegator.
-func newDelegator(w http.ResponseWriter) delegator {
-	d := &responseWriterDelegator{ResponseWriter: w}
-
-	_, cn := w.(http.CloseNotifier)
-	_, fl := w.(http.Flusher)
-	_, hj := w.(http.Hijacker)
-	_, ps := w.(http.Pusher)
-	_, rf := w.(io.ReaderFrom)
-
-	// Check for the four most common combination of interfaces a
-	// http.ResponseWriter might implement.
-	switch {
-	case cn && fl && hj && rf && ps:
-		// All interfaces.
-		return &fancyPushDelegator{
-			fancyDelegator: &fancyDelegator{d},
-			p:              &pushDelegator{d},
-		}
-	case cn && fl && hj && rf:
-		// All interfaces, except http.Pusher.
-		return &fancyDelegator{d}
-	case ps:
-		// Just http.Pusher.
-		return &pushDelegator{d}
-	}
-
-	return d
-}
-
-type fancyPushDelegator struct {
-	p *pushDelegator
-
-	*fancyDelegator
-}
-
-func (f *fancyPushDelegator) Push(target string, opts *http.PushOptions) error {
-	return f.p.Push(target, opts)
-}
-
-type pushDelegator struct {
-	*responseWriterDelegator
-}
-
-func (f *pushDelegator) Push(target string, opts *http.PushOptions) error {
-	return f.ResponseWriter.(http.Pusher).Push(target, opts)
-}