Add profile selector menu to app list.

ui/app_list/views/search_box_view.h

Index: ui/app_list/views/search_box_view.h
diff --git a/ui/app_list/views/search_box_view.h b/ui/app_list/views/search_box_view.h
index 69b30b444cae1fb24593e66f0750c4bdbc799655..6c33a087f8e052030cce2c49e3d029ff833b2acb 100644
--- a/ui/app_list/views/search_box_view.h
+++ b/ui/app_list/views/search_box_view.h
@@ -12,6 +12,8 @@
 #include "ui/views/controls/textfield/textfield_controller.h"
 #include "ui/views/view.h"
 
+struct AvatarMenuItemModel;
+
 namespace views {
 class ImageView;
 class MenuButton;
@@ -22,7 +24,7 @@ namespace app_list {
 
 class AppListMenuViews;
 class AppListViewDelegate;
-class SearchBoxModel;
+class AppListModel;
 class SearchBoxViewDelegate;
 
 // SearchBoxView consists of an icon and a Textfield. SearchBoxModel is its data
@@ -35,11 +37,10 @@ class SearchBoxView : public views::View,
                       public SearchBoxModelObserver {
  public:
   SearchBoxView(SearchBoxViewDelegate* delegate,
-                AppListViewDelegate* view_delegate);
+                AppListViewDelegate* view_delegate,
+                AppListModel* model);
   virtual ~SearchBoxView();
 
-  void SetModel(SearchBoxModel* model);
-
   bool HasSearch() const;
   void ClearSearch();
   void InvalidateMenu();
@@ -80,7 +81,7 @@ class SearchBoxView : public views::View,
 
   SearchBoxViewDelegate* delegate_;  // Not owned.
   AppListViewDelegate* view_delegate_;  // Not owned.
-  SearchBoxModel* model_;  // Owned by AppListModel.
+  AppListModel* model_;  // Not owned.
 
   scoped_ptr<AppListMenuViews> menu_;