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vendor/golang.org/x/net/http2/write.go

@@ -13,7 +13,6 @@ import (
 
 	"golang.org/x/net/http/httpguts"
 	"golang.org/x/net/http2/hpack"
-	"golang.org/x/net/internal/httpcommon"
 )
 
 // writeFramer is implemented by any type that is used to write frames.
@@ -132,16 +131,6 @@ func (se StreamError) writeFrame(ctx writeContext) error {
 
 func (se StreamError) staysWithinBuffer(max int) bool { return frameHeaderLen+4 <= max }
 
-type writePing struct {
-	data [8]byte
-}
-
-func (w writePing) writeFrame(ctx writeContext) error {
-	return ctx.Framer().WritePing(false, w.data)
-}
-
-func (w writePing) staysWithinBuffer(max int) bool { return frameHeaderLen+len(w.data) <= max }
-
 type writePingAck struct{ pf *PingFrame }
 
 func (w writePingAck) writeFrame(ctx writeContext) error {
@@ -352,7 +341,7 @@ func encodeHeaders(enc *hpack.Encoder, h http.Header, keys []string) {
 	}
 	for _, k := range keys {
 		vv := h[k]
-		k, ascii := httpcommon.LowerHeader(k)
+		k, ascii := lowerHeader(k)
 		if !ascii {
 			// Skip writing invalid headers. Per RFC 7540, Section 8.1.2, header
 			// field names have to be ASCII characters (just as in HTTP/1.x).