First cut at UI for saving net_logs data into a temporary file on

chrome/browser/ui/webui/net_export_ui.h

Index: chrome/browser/ui/webui/net_export_ui.h
===================================================================
--- chrome/browser/ui/webui/net_export_ui.h	(revision 0)
+++ chrome/browser/ui/webui/net_export_ui.h	(revision 0)
@@ -0,0 +1,20 @@
+// Copyright (c) 2012 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_UI_WEBUI_NET_EXPORT_UI_H_
+#define CHROME_BROWSER_UI_WEBUI_NET_EXPORT_UI_H_
+
+#include "base/memory/weak_ptr.h"
+#include "content/public/browser/web_ui_controller.h"
+
+// The C++ back-end for the chrome://net-export webui page.
+class NetExportUI : public content::WebUIController {
+ public:
+  explicit NetExportUI(content::WebUI* web_ui);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(NetExportUI);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_NET_EXPORT_UI_H_