Add prerender to ChromeOS.

chrome/browser/chromeos/prerender_condition_network.h

+// Copyright (c) 2011 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.
+
+#ifndef CHROME_BROWSER_CHROMEOS_PRERENDER_CONDITION_NETWORK_H_
+#define CHROME_BROWSER_CHROMEOS_PRERENDER_CONDITION_NETWORK_H_
+
+#include "base/compiler_specific.h"
+#include "chrome/browser/chromeos/cros/network_library.h"
+#include "chrome/browser/prerender/prerender_condition.h"
+
+namespace chromeos {
+
+class PrerenderConditionNetwork : public prerender::PrerenderCondition {
+ public:
+  // |network_library| must be non-NULL and live longer than |this|.
+  explicit PrerenderConditionNetwork(NetworkLibrary* network_library);
+  virtual ~PrerenderConditionNetwork();
+
+  // prerender::PrerenderCondition
+  virtual bool CanPrerender() const OVERRIDE;
+
+ private:
+  NetworkLibrary* network_library_;
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_PRERENDER_CONDITION_NETWORK_H_