Change gae to apache 2 license.

impl/prod/user.go

-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
+// Copyright 2015 The LUCI Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
 
 package prod
 
 import (
         gae_user "github.com/luci/gae/service/user"
         "golang.org/x/net/context"
         "google.golang.org/appengine/user"
 )
 
 // useUser adds a user service implementation to context, accessible
@@ skipping 36 matching lines @@
         return (*gae_user.User)(usr), nil
 }
 
 func (u userImpl) OAuthConsumerKey() (string, error) {
         return user.OAuthConsumerKey(u.aeCtx)
 }
 
 func (u userImpl) Testable() gae_user.Testable {
         return nil
 }