alternate ntp: fix toolbar separator visibility when query is cleared

chrome/browser/ui/search/toolbar_search_animator.h

Index: chrome/browser/ui/search/toolbar_search_animator.h
diff --git a/chrome/browser/ui/search/toolbar_search_animator.h b/chrome/browser/ui/search/toolbar_search_animator.h
index efd4d5f16e9b77957ad8ea1cf2a22bae8c3e2869..4ac90818590132b730dedeb843d5e914de36809f 100644
--- a/chrome/browser/ui/search/toolbar_search_animator.h
+++ b/chrome/browser/ui/search/toolbar_search_animator.h
@@ -12,6 +12,7 @@
 #include "ui/base/animation/animation_delegate.h"
 
 class TabContents;
+class ToolbarModel;
 
 namespace ui {
 class MultiAnimation;
@@ -30,7 +31,7 @@ class ToolbarSearchAnimatorObserver;
 class ToolbarSearchAnimator : public SearchModelObserver,
                               public ui::AnimationDelegate {
  public:
-  explicit ToolbarSearchAnimator(SearchModel* search_model);
+  ToolbarSearchAnimator(SearchModel* search_model, ToolbarModel* toolbar_model);
   virtual ~ToolbarSearchAnimator();
 
   // Get the gradient background opacity to paint for toolbar and active tab, a
@@ -87,6 +88,9 @@ class ToolbarSearchAnimator : public SearchModelObserver,
   // Weak.  Owned by Browser.  Non-NULL.
   SearchModel* search_model_;
 
+  // Weak.  Owned by Browser.  Non-NULL.
+  ToolbarModel* toolbar_model_;
+
   // The background change animation.
   scoped_ptr<ui::MultiAnimation> background_animation_;