Enable history and downloads by default, port NewTabUI from DOMUIHost to DOMU...

chrome/browser/dom_ui/dom_ui_contents.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.
 
 // Contains code for managing local HTML UI at chrome-ui:// URLs.
 
 #ifndef CHROME_BROWSER_DOM_UI_CONTENTS_H_
 #define CHROME_BROWSER_DOM_UI_CONTENTS_H_
 
 #include "chrome/browser/dom_ui/chrome_url_data_manager.h"
@@ skipping 83 matching lines @@
   //
   // WebContents overrides
   //
   virtual void ProcessDOMUIMessage(const std::string& message,
                                    const std::string& content);
   virtual bool CreateRenderViewForRenderManager(
       RenderViewHost* render_view_host);
   // Override this method so we can ensure that javascript and image loading
   // are always on even for DOMUIHost tabs.
   virtual WebPreferences GetWebkitPrefs();
+  // We don't want a favicon on the new tab page.
+  virtual bool ShouldDisplayFavIcon();
+  // The bookmark bar is always visible on the new tab.
+  virtual bool IsBookmarkBarAlwaysVisible();
+  // When NTP gets the initial focus, focus the URL bar.
+  virtual void SetInitialFocus();
+  // Whether we want to display the page's URL.
+  virtual bool ShouldDisplayURL();
+  // We may wish to control what happens when a URL is opened.
+  virtual void RequestOpenURL(const GURL& url, const GURL& referrer,
+      WindowOpenDisposition disposition);
 
   //
   // TabContents overrides
   // 
   virtual void UpdateHistoryForNavigation(const GURL& url,
       const ViewHostMsg_FrameNavigate_Params& params) { }
   virtual bool NavigateToPendingEntry(bool reload);
 
   // Return the scheme used. We currently use chrome:
   static const std::string GetScheme();
 
  private:
   // Return a DOM UI for the provided URL.
   DOMUI* GetDOMUIForURL(const GURL& url);
 
   // The DOMUI we own and show.
   DOMUI* current_ui_;
 
   DISALLOW_COPY_AND_ASSIGN(DOMUIContents);
 };
 
 #endif  // CHROME_BROWSER_DOM_UI_CONTENTS_H_