Cleanup original modifications to the exposed APIs

Signed-off-by: Nassim 'Nass' Eddequiouaq <eddequiouaq.nassim@gmail.com>

wincred/wincred_windows.go

@@ -16,7 +16,7 @@ func (h Wincred) Add(creds *credentials.Credentials) error {
 	g.UserName = creds.Username
 	g.CredentialBlob = []byte(creds.Secret)
 	g.Persist = winc.PersistLocalMachine
-	g.Attributes = []winc.CredentialAttribute{{"label", []byte(creds.Label)}}
+	g.Attributes = []winc.CredentialAttribute{{"label", []byte(credentials.CredsLabel)}}
 
 	return g.Write()
 }
@@ -43,7 +43,7 @@ func (h Wincred) Get(serverURL string) (string, string, error) {
 }
 
 // List returns the stored URLs and corresponding usernames for a given credentials label.
-func (h Wincred) List(credsLabel string) (map[string]string, error) {
+func (h Wincred) List() (map[string]string, error) {
 	creds, err := winc.List()
 	if err != nil {
 		return nil, err

wincred/wincred_windows_test.go

@@ -8,13 +8,11 @@ import (
 
 func TestWinCredHelper(t *testing.T) {
 	creds := &credentials.Credentials{
-		Label:     credentials.CredsLabel,
 		ServerURL: "https://foobar.docker.io:2376/v1",
 		Username:  "foobar",
 		Secret:    "foobarbaz",
 	}
 	creds1 := &credentials.Credentials{
-		Label:     credentials.CredsLabel,
 		ServerURL: "https://foobar.docker.io:2376/v2",
 		Username:  "foobarbaz",
 		Secret:    "foobar",
@@ -38,14 +36,14 @@ func TestWinCredHelper(t *testing.T) {
 		t.Fatalf("expected %s, got %s\n", "foobarbaz", secret)
 	}
 
-	auths, err := helper.List(credentials.CredsLabel)
+	auths, err := helper.List()
 	if err != nil || len(auths) == 0 {
 		t.Fatal(err)
 	}
 
 	helper.Add(creds1)
 	defer helper.Delete(creds1.ServerURL)
-	newauths, err := helper.List(credentials.CredsLabel)
+	newauths, err := helper.List()
 	if err != nil {
 		t.Fatal(err)
 	}