[Chromecast] Add connectivity checking for Chromecast.

chromecast/browser/cast_resource_dispatcher_host_delegate.h

+// Copyright 2015 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 CHROMECAST_BROWSER_CAST_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
+#define CHROMECAST_BROWSER_CAST_RESOURCE_DISPATCHER_HOST_DELEGATE_H_
+
+#include "base/macros.h"
+#include "content/public/browser/resource_dispatcher_host_delegate.h"
+
+namespace chromecast {
+namespace shell {
+
+class CastResourceDispatcherHostDelegate
+    : public content::ResourceDispatcherHostDelegate {
+ public:
+  CastResourceDispatcherHostDelegate() {}
+
+  // content::ResourceDispatcherHostDelegate implementation:
+  void RequestComplete(net::URLRequest* url_request) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CastResourceDispatcherHostDelegate);
+};
+
+}  // namespace shell
+}  // namespace chromecast
+
+#endif  // CHROMECAST_BROWSER_CAST_RESOURCE_DISPATCHER_HOST_DELEGATE_H_