scheduler: Move IsJobOwner to acl package.

scheduler/appengine/presentation/acl.go

-// Copyright 2016 The LUCI 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.
-
-package presentation
-
-import (
-        "golang.org/x/net/context"
-
-        "github.com/luci/luci-go/server/auth"
-)
-
-// TODO(tandrii): move this to new acl package.
-func IsJobOwner(c context.Context, projectID, jobName string) bool {
-        // TODO(vadimsh): Do real ACLs.
-        ok, err := auth.IsMember(c, "administrators")
-        if err != nil {
-                panic(err)
-        }
-        return ok
-}