bump kube-openapi

vendor/k8s.io/kube-openapi/pkg/handler/handler.go

@@ -18,11 +18,9 @@ package handler
 
 import (
 	"bytes"
-	"compress/gzip"
 	"crypto/sha512"
 	"encoding/json"
 	"fmt"
-	"mime"
 	"net/http"
 	"strconv"
 	"sync"
@@ -41,15 +39,6 @@ import (
 	"k8s.io/kube-openapi/pkg/validation/spec"
 )
 
-const (
-	jsonExt = ".json"
-
-	mimeJson = "application/json"
-	// TODO(mehdy): change @68f4ded to a version tag when gnostic add version tags.
-	mimePb   = "application/com.github.googleapis.gnostic.OpenAPIv2@68f4ded+protobuf"
-	mimePbGz = "application/x-gzip"
-)
-
 func computeETag(data []byte) string {
 	if data == nil {
 		return ""
@@ -70,12 +59,6 @@ type OpenAPIService struct {
 	etagCache  handler.HandlerCache
 }
 
-func init() {
-	mime.AddExtensionType(".json", mimeJson)
-	mime.AddExtensionType(".pb-v1", mimePb)
-	mime.AddExtensionType(".gz", mimePbGz)
-}
-
 // NewOpenAPIService builds an OpenAPIService starting with the given spec.
 func NewOpenAPIService(spec *spec.Swagger) (*OpenAPIService, error) {
 	o := &OpenAPIService{}
@@ -146,14 +129,6 @@ func ToProtoBinary(json []byte) ([]byte, error) {
 	return proto.Marshal(document)
 }
 
-func toGzip(data []byte) []byte {
-	var buf bytes.Buffer
-	zw := gzip.NewWriter(&buf)
-	zw.Write(data)
-	zw.Close()
-	return buf.Bytes()
-}
-
 // RegisterOpenAPIVersionedService registers a handler to provide access to provided swagger spec.
 //
 // Deprecated: use OpenAPIService.RegisterOpenAPIVersionedService instead.