Create a dialog box for the about:network view and kill the tab type....

chrome/browser/views/about_network_dialog.h

Index: chrome/browser/views/about_network_dialog.h
===================================================================
--- chrome/browser/views/about_network_dialog.h	(revision 0)
+++ chrome/browser/views/about_network_dialog.h	(revision 0)
@@ -0,0 +1,65 @@
+// Copyright (c) 2009 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_VIEWS_ABOUT_NETWORK_DIALOG_H_
+#define CHROME_BROWSER_VIEWS_ABOUT_NETWORK_DIALOG_H_
+
+#include "base/singleton.h"
+#include "chrome/views/base_button.h"
+#include "chrome/views/dialog_delegate.h"
+
+namespace views {
+class TextButton;
+class TextField;
+}  // namespace views
+
+class AboutNetworkDialog : public views::DialogDelegate,
+                           public views::BaseButton::ButtonListener,
+                           public views::View {
+ public:
+  // This dialog is a singleton. If the dialog is already opened, it won't do
+  // anything, so you can just blindly call this function all you want.
+  static void RunDialog();
+
+  virtual ~AboutNetworkDialog();
+
+  // Appends the given string to the dialog box. This is called by the job
+  // tracker (see the .cc file) when "stuff happens."
+  void AppendText(const std::wstring& text);
+
+  // Returns true if we're currently tracking network operations.
+  bool tracking() const { return tracking_; }
+
+ private:
+  friend struct DefaultSingletonTraits<AboutNetworkDialog>;
+
+  AboutNetworkDialog();
+
+  // Sets up all UI controls for the dialog.
+  void SetupControls();
+
+  virtual gfx::Size GetPreferredSize();
+  virtual views::View* GetContentsView();
+  virtual int GetDialogButtons() const;
+  virtual std::wstring GetWindowTitle() const;
+  virtual void Layout();
+
+  // views::WindowDelegate (via view::DialogDelegate).
+  virtual bool CanResize() const;
+
+  // views::BaseButton::ButtonListener.
+  virtual void ButtonPressed(views::BaseButton* button);
+
+  views::TextButton* track_toggle_;
+  views::TextButton* show_button_;
+  views::TextButton* clear_button_;
+  views::TextField* text_field_;
+
+  // Set to true when we're tracking network status.
+  bool tracking_;
+
+  DISALLOW_COPY_AND_ASSIGN(AboutNetworkDialog);
+};
+
+#endif  // CHROME_BROWSER_VIEWS_ABOUT_NETWORK_DIALOG_H_