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

chrome/browser/tab_contents/tab_contents_type.h

 // Copyright (c) 2006-2008 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_TAB_CONTENTS_TAB_CONTENTS_TYPE_H__
 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_TYPE_H__
 
 // The different kinds of tab contents we support. This is declared outside of
 // TabContents to eliminate the circular dependency between NavigationEntry
 // (which requires a tab type) and TabContents (which requires a
 // NavigationEntry).
 enum TabContentsType {
   TAB_CONTENTS_UNKNOWN_TYPE = 0,
   TAB_CONTENTS_WEB,
   TAB_CONTENTS_DOWNLOAD_VIEW,
-  TAB_CONTENTS_NETWORK_STATUS_VIEW,
   TAB_CONTENTS_IPC_STATUS_VIEW,
   TAB_CONTENTS_CHROME_VIEW_CONTENTS,
   TAB_CONTENTS_NEW_TAB_UI,
   TAB_CONTENTS_NATIVE_UI,
   TAB_CONTENTS_VIEW_SOURCE,
   TAB_CONTENTS_HTML_DIALOG,
   TAB_CONTENTS_ABOUT_UI,
   TAB_CONTENTS_DEBUGGER,
   TAB_CONTENTS_DOM_UI,
   TAB_CONTENTS_NUM_TYPES
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_TYPE_H__