Implement chrome://network-errors for direct access to network error interstitials

content/browser/net/network_errors_listing_ui.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 CONTENT_BROWSER_NET_NETWORK_ERRORS_LISTING_UI_H_
+#define CONTENT_BROWSER_NET_NETWORK_ERRORS_LISTING_UI_H_
+
+#include "content/public/browser/web_ui_controller.h"
+#include "content/public/browser/web_ui_data_source.h"
+
+namespace content {
+
+class NetworkErrorsListingUI : public WebUIController {
+ public:
+  explicit NetworkErrorsListingUI(WebUI* web_ui);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(NetworkErrorsListingUI);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_NET_NETWORK_ERRORS_LISTING_UI_H_