Add a DummySearchBoxView to the experimental app list start page.

ui/app_list/views/start_page_view.h

Index: ui/app_list/views/start_page_view.h
diff --git a/ui/app_list/views/start_page_view.h b/ui/app_list/views/start_page_view.h
index 73aac60a804c1d538f75172d74c5cf44e696e9bd..7dbd3df41079d1451fecf4edda31030cab509af8 100644
--- a/ui/app_list/views/start_page_view.h
+++ b/ui/app_list/views/start_page_view.h
@@ -8,7 +8,7 @@
 #include "base/basictypes.h"
 #include "ui/app_list/app_list_model_observer.h"
 #include "ui/app_list/app_list_view_delegate_observer.h"
-#include "ui/views/controls/button/button.h"
+#include "ui/app_list/views/search_box_view_delegate.h"
 #include "ui/views/view.h"
 
 namespace app_list {
@@ -21,7 +21,7 @@ class TileItemView;
 
 // The start page for the experimental app list.
 class StartPageView : public views::View,
-                      public views::ButtonListener,
+                      public SearchBoxViewDelegate,
                       public AppListViewDelegateObserver,
                       public AppListModelObserver {
  public:
@@ -42,16 +42,18 @@ class StartPageView : public views::View,
 
  private:
   enum ShowState {
-    SHOW_SEARCH_RESULTS,
     SHOW_START_PAGE,
+    SHOW_SEARCH_RESULTS,
   };
 
+  void InitInstantContainer();
+  void InitTilesContainer();
+
   void SetShowState(ShowState show_state);
   void SetModel(AppListModel* model);
 
-  // Overridden from views::ButtonListener:
-  virtual void ButtonPressed(views::Button* sender,
-                             const ui::Event& event) OVERRIDE;
+  // Overridden from SearchBoxViewDelegate:
+  virtual void QueryChanged(SearchBoxView* sender) OVERRIDE;
 
   // Overridden from AppListViewDelegateObserver:
   virtual void OnProfilesChanged() OVERRIDE;
@@ -69,6 +71,7 @@ class StartPageView : public views::View,
 
   AppListViewDelegate* view_delegate_;  // Owned by AppListView.
 
+  SearchBoxView* search_box_view_;      // Owned by views hierarchy.
   SearchResultListView* results_view_;  // Owned by views hierarchy.
   views::View* instant_container_;  // Owned by views hierarchy.
   views::View* tiles_container_;    // Owned by views hierarchy.