alternate ntp: toolbar background and separator animation

chrome/browser/ui/views/tabs/browser_tab_strip_controller.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_TABS_BROWSER_TAB_STRIP_CONTROLLER_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_BROWSER_TAB_STRIP_CONTROLLER_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/prefs/pref_change_registrar.h"
@@ skipping 85 matching lines @@
                              TabContents* new_contents,
                              int model_index) OVERRIDE;
   virtual void TabPinnedStateChanged(TabContents* contents,
                                      int model_index) OVERRIDE;
   virtual void TabMiniStateChanged(TabContents* contents,
                                    int model_index) OVERRIDE;
   virtual void TabBlockedStateChanged(TabContents* contents,
                                       int model_index) OVERRIDE;
 
   // chrome::search::SearchModelObserver implementation:
-  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;
 
   // chrome::search::ToolbarSearchAnimatorObserver implementation:
   virtual void OnToolbarBackgroundAnimatorProgressed() OVERRIDE;
   virtual void OnToolbarBackgroundAnimatorCanceled(
       TabContents* tab_contents) OVERRIDE;
 
   // content::NotificationObserver implementation:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
@@ skipping 48 matching lines @@
 
   // Helper for performing tab selection as a result of dragging over a tab.
   HoverTabSelector hover_tab_selector_;
 
   PrefChangeRegistrar local_pref_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserTabStripController);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_BROWSER_TAB_STRIP_CONTROLLER_H_