Enable clang warning for ignored attributes.

net/base/registry_controlled_domains/registry_controlled_domain.h

 // Copyright (c) 2012 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.
 
 // NB: Modelled after Mozilla's code (originally written by Pamela Greene,
 // later modified by others), but almost entirely rewritten for Chrome.
 //   (netwerk/dns/src/nsEffectiveTLDService.h)
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
@@ skipping 117 matching lines @@
 // This enum is a required parameter to all public methods declared for this
 // service. The Public Suffix List (http://publicsuffix.org/) this service
 // uses as a data source splits all effective-TLDs into two groups. The main
 // group describes registries that are acknowledged by ICANN. The second group
 // contains a list of private additions for domains that enable external users
 // to create subdomains, such as appspot.com.
 // The RegistryFilter enum lets you choose whether you want to include the
 // private additions in your lookup.
 // See this for example use cases:
 // https://wiki.mozilla.org/Public_Suffix_List/Use_Cases
-enum NET_EXPORT PrivateRegistryFilter {
+enum PrivateRegistryFilter {
   EXCLUDE_PRIVATE_REGISTRIES = 0,
   INCLUDE_PRIVATE_REGISTRIES
 };
 
 // This enum is a required parameter to the GetRegistryLength functions
 // declared for this service. Whenever there is no matching rule in the
 // effective-TLD data (or in the default data, if the resource failed to
 // load), the result will be dependent on which enum value was passed in.
 // If EXCLUDE_UNKNOWN_REGISTRIES was passed in, the resulting registry length
 // will be 0. If INCLUDE_UNKNOWN_REGISTRIES was passed in, the resulting
 // registry length will be the length of the last subcomponent (eg. 3 for
 // foobar.baz).
-enum NET_EXPORT UnknownRegistryFilter {
+enum UnknownRegistryFilter {
   EXCLUDE_UNKNOWN_REGISTRIES = 0,
   INCLUDE_UNKNOWN_REGISTRIES
 };
 
 // Returns the registered, organization-identifying host and all its registry
 // information, but no subdomains, from the given GURL.  Returns an empty
 // string if the GURL is invalid, has no host (e.g. a file: URL), has multiple
 // trailing dots, is an IP address, has only one subcomponent (i.e. no dots
 // other than leading/trailing ones), or is itself a recognized registry
 // identifier.  If no matching rule is found in the effective-TLD data (or in
@@ skipping 67 matching lines @@
 // Used for unit tests. Use default domains.
 NET_EXPORT_PRIVATE void SetFindDomainGraph();
 
 // Used for unit tests, so that a frozen list of domains is used.
 NET_EXPORT_PRIVATE void SetFindDomainGraph(const unsigned char* domains,
                                            size_t length);
 }  // namespace registry_controlled_domains
 }  // namespace net
 
 #endif  // NET_BASE_REGISTRY_CONTROLLED_DOMAINS_REGISTRY_CONTROLLED_DOMAIN_H_