Convert network hints to Mojo

components/network_hints/browser/network_hints_impl.cc

 // Copyright 2014 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 "components/network_hints/browser/network_hints_message_filter.h"
+#include "components/network_hints/browser/network_hints_impl.h"
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "components/network_hints/common/network_hints_common.h"
-#include "components/network_hints/common/network_hints_messages.h"
 #include "ipc/ipc_message_macros.h"
 #include "net/base/address_list.h"
 #include "net/base/net_errors.h"
 #include "net/dns/host_resolver.h"
 #include "net/dns/single_request_host_resolver.h"
 #include "url/gurl.h"
 
 namespace network_hints {
 
 namespace {
@@ skipping 35 matching lines @@
 
   const std::string hostname_;
   net::SingleRequestHostResolver resolver_;
   net::AddressList addresses_;
 
   DISALLOW_COPY_AND_ASSIGN(DnsLookupRequest);
 };
 
 }  // namespace
 
-NetworkHintsMessageFilter::NetworkHintsMessageFilter(
-    net::HostResolver* host_resolver)
-    : content::BrowserMessageFilter(NetworkHintsMsgStart),
-      host_resolver_(host_resolver) {
+void NetworkHintsImpl::Bind(mojom::NetworkHintsRequest request) {
+  bindings_.AddBinding(this, std::move(request));
+}
+
+NetworkHintsImpl::NetworkHintsImpl(net::HostResolver* host_resolver)
+    : host_resolver_(host_resolver) {
   DCHECK(host_resolver_);
 }
 
-NetworkHintsMessageFilter::~NetworkHintsMessageFilter() {
-}
+NetworkHintsImpl::~NetworkHintsImpl() {}
 
-bool NetworkHintsMessageFilter::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(NetworkHintsMessageFilter, message)
-    IPC_MESSAGE_HANDLER(NetworkHintsMsg_DNSPrefetch, OnDnsPrefetch)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void NetworkHintsMessageFilter::OnDnsPrefetch(
-    const LookupRequest& lookup_request) {
+void NetworkHintsImpl::DNSPrefetch(const LookupRequest& lookup_request) {
   DCHECK(host_resolver_);
   for (const std::string& hostname : lookup_request.hostname_list) {
     DnsLookupRequest* request = new DnsLookupRequest(host_resolver_, hostname);
     // Note: DnsLookupRequest will be freed by the base::Owned call when
     // resolving has completed.
     request->Start();
   }
 }
 
 }  // namespace network_hints