alternate ntp: toolbar background and separator animation

chrome/browser/ui/views/toolbar_view.cc

 // 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.
 
 #include "chrome/browser/ui/views/toolbar_view.h"
 
 #include "base/i18n/number_formatting.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/command_updater.h"
@@ skipping 470 matching lines @@
 void ToolbarView::OnInputInProgress(bool in_progress) {
   // The edit should make sure we're only notified when something changes.
   DCHECK(model_->input_in_progress() != in_progress);
 
   model_->set_input_in_progress(in_progress);
   location_bar_->Update(NULL);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // ToolbarView, chrome::search::SearchModelObserver implementation:
-void ToolbarView::ModeChanged(const chrome::search::Mode& mode) {
+void ToolbarView::ModeChanged(const chrome::search::Mode& old_mode,
+                              const chrome::search::Mode& new_mode) {
   // Layout location bar to determine the visibility of each of its child
   // view based on toolbar mode change.
-  if (mode.is_ntp())
+  if (new_mode.is_ntp())
     location_bar_->Layout();
 
   Layout();
   LayoutForSearch();
   SchedulePaint();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // ToolbarView, CommandObserver implementation:
 
@@ skipping 521 matching lines @@
   // LocationBarContainer is not a child of the ToolbarView.
   gfx::Point origin(bounds.origin());
   views::View::ConvertPointToView(this, location_bar_container_->parent(),
                                   &origin);
   gfx::Rect target_bounds(origin, bounds.size());
   if (location_bar_container_->GetTargetBounds() != target_bounds) {
     location_bar_container_->SetInToolbar(true);
     location_bar_container_->SetBoundsRect(target_bounds);
   }
 }