Removed support for context aware handlers (rs#33)

cors.go

@@ -26,9 +26,6 @@ import (
 	"os"
 	"strconv"
 	"strings"
-
-	"github.com/rs/xhandler"
-	"golang.org/x/net/context"
 )
 
 // Options is a configuration container to setup the CORS middleware.
@@ -192,29 +189,6 @@ func (c *Cors) Handler(h http.Handler) http.Handler {
 	})
 }
 
-// HandlerC is net/context aware handler
-func (c *Cors) HandlerC(h xhandler.HandlerC) xhandler.HandlerC {
-	return xhandler.HandlerFuncC(func(ctx context.Context, w http.ResponseWriter, r *http.Request) {
-		if r.Method == "OPTIONS" {
-			c.logf("Handler: Preflight request")
-			c.handlePreflight(w, r)
-			// Preflight requests are standalone and should stop the chain as some other
-			// middleware may not handle OPTIONS requests correctly. One typical example
-			// is authentication middleware ; OPTIONS requests won't carry authentication
-			// headers (see #1)
-			if c.optionPassthrough {
-				h.ServeHTTPC(ctx, w, r)
-			} else {
-				w.WriteHeader(http.StatusOK)
-			}
-		} else {
-			c.logf("Handler: Actual request")
-			c.handleActualRequest(w, r)
-			h.ServeHTTPC(ctx, w, r)
-		}
-	})
-}
-
 // HandlerFunc provides Martini compatible handler
 func (c *Cors) HandlerFunc(w http.ResponseWriter, r *http.Request) {
 	if r.Method == "OPTIONS" {