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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef COMPONENTS_NETWORK_HINTS_BROWSER_NETWORK_HINTS_MESSAGE_FILTER_H_ |
| 6 #define COMPONENTS_NETWORK_HINTS_BROWSER_NETWORK_HINTS_MESSAGE_FILTER_H_ |
| 7 |
| 8 #include "base/macros.h" |
| 9 #include "content/public/browser/browser_message_filter.h" |
| 10 |
| 11 namespace net { |
| 12 class HostResolver; |
| 13 } |
| 14 |
| 15 namespace network_hints { |
| 16 struct LookupRequest; |
| 17 |
| 18 // Simple browser-side handler for DNS prefetch requests. |
| 19 // Passes prefetch requests to the provided net::HostResolver. |
| 20 // Each renderer process requires its own filter. |
| 21 class NetworkHintsMessageFilter : public content::BrowserMessageFilter { |
| 22 public: |
| 23 explicit NetworkHintsMessageFilter(net::HostResolver* host_resolver); |
| 24 |
| 25 // content::BrowserMessageFilter implementation: |
| 26 bool OnMessageReceived(const IPC::Message& message) override; |
| 27 |
| 28 private: |
| 29 ~NetworkHintsMessageFilter() override; |
| 30 |
| 31 void OnDnsPrefetch(const LookupRequest& lookup_request); |
| 32 |
| 33 net::HostResolver* host_resolver_; |
| 34 |
| 35 DISALLOW_COPY_AND_ASSIGN(NetworkHintsMessageFilter); |
| 36 }; |
| 37 |
| 38 } // namespace network_hints |
| 39 |
| 40 #endif // COMPONENTS_NETWORK_HINTS_BROWSER_NETWORK_HINTS_MESSAGE_FILTER_H_ |
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