Change gae to apache 2 license.

filter/count/mail.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 count
 
 import (
         "github.com/luci/gae/service/mail"
         "golang.org/x/net/context"
 )
 
 // MailCounter is the counter object for the Mail service.
 type MailCounter struct {
@@ skipping 21 matching lines @@
         return m.m.Testable()
 }
 
 // FilterMail installs a counter Mail filter in the context.
 func FilterMail(c context.Context) (context.Context, *MailCounter) {
         state := &MailCounter{}
         return mail.AddFilters(c, func(ic context.Context, u mail.Interface) mail.Interface {
                 return &mailCounter{state, u}
         }), state
 }