alternate ntp: toolbar background and separator animation

chrome/browser/ui/views/toolbar_view.h

 // 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_VIEWS_TOOLBAR_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_TOOLBAR_VIEW_H_
 
 #include <set>
 #include <string>
 
@@ skipping 107 matching lines @@
       LocationBarView* owner, ExtensionAction* action) OVERRIDE;
   virtual ContentSettingBubbleModelDelegate*
       GetContentSettingBubbleModelDelegate() OVERRIDE;
   virtual void ShowPageInfo(content::WebContents* web_contents,
                             const GURL& url,
                             const content::SSLStatus& ssl,
                             bool show_history) OVERRIDE;
   virtual void OnInputInProgress(bool in_progress) OVERRIDE;
 
   // Overridden from chrome::search::SearchModelObserver:
-  virtual void ModeChanged(const chrome::search::Mode& mode) OVERRIDE;
+  virtual void ModeChanged(const chrome::search::Mode& old_mode,
+                           const chrome::search::Mode& new_mode) OVERRIDE;
 
   // Overridden from CommandObserver:
   virtual void EnabledStateChangedForCommand(int id, bool enabled) OVERRIDE;
 
   // Overridden from views::ButtonListener:
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
 
   // Overridden from content::NotificationObserver:
   virtual void Observe(int type,
@@ skipping 103 matching lines @@
 
   // A list of listeners to call when the menu opens.
   ObserverList<views::MenuListener> menu_listeners_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ToolbarView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TOOLBAR_VIEW_H_