Index: components/network_hints/browser/network_hints_message_filter.cc |
diff --git a/components/network_hints/browser/network_hints_message_filter.cc b/components/network_hints/browser/network_hints_message_filter.cc |
deleted file mode 100644 |
index 20f8342cc958f1ecb99ca71da798d7c901e628bc..0000000000000000000000000000000000000000 |
--- a/components/network_hints/browser/network_hints_message_filter.cc |
+++ /dev/null |
@@ -1,96 +0,0 @@ |
-// 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 "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 { |
- |
-const int kDefaultPort = 80; |
- |
-class DnsLookupRequest { |
- public: |
- DnsLookupRequest(net::HostResolver* host_resolver, |
- const std::string& hostname) |
- : hostname_(hostname), |
- resolver_(host_resolver) { |
- } |
- |
- // Return underlying network resolver status. |
- // net::OK ==> Host was found synchronously. |
- // net:ERR_IO_PENDING ==> Network will callback later with result. |
- // anything else ==> Host was not found synchronously. |
- int Start() { |
- net::HostResolver::RequestInfo resolve_info( |
- net::HostPortPair(hostname_, kDefaultPort)); |
- |
- // Make a note that this is a speculative resolve request. This allows |
- // separating it from real navigations in the observer's callback, and |
- // lets the HostResolver know it can be de-prioritized. |
- resolve_info.set_is_speculative(true); |
- return resolver_.Resolve( |
- resolve_info, |
- net::DEFAULT_PRIORITY, |
- &addresses_, |
- base::Bind(&DnsLookupRequest::OnLookupFinished, base::Owned(this)), |
- net::BoundNetLog()); |
- } |
- |
- private: |
- void OnLookupFinished(int result) { |
- VLOG(2) << __FUNCTION__ << ": " << hostname_ << ", result=" << result; |
- } |
- |
- 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) { |
- DCHECK(host_resolver_); |
-} |
- |
-NetworkHintsMessageFilter::~NetworkHintsMessageFilter() { |
-} |
- |
-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) { |
- 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 |