Fix linker warning in broadcast_channel.mojom-blink.obj.

content/renderer/webpublicsuffixlist_impl.cc

-// Copyright 2013 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.
-
-#include "content/renderer/webpublicsuffixlist_impl.h"
-
-#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
-
-namespace content {
-
-WebPublicSuffixListImpl::~WebPublicSuffixListImpl() {
-}
-
-size_t WebPublicSuffixListImpl::getPublicSuffixLength(
-    const blink::WebString& host) {
-  size_t result = net::registry_controlled_domains::GetRegistryLength(
-      host.utf8(),
-      net::registry_controlled_domains::INCLUDE_UNKNOWN_REGISTRIES,
-      net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
-  return result ? result : host.length();
-}
-
-} // namespace content