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..76497fa5d44fe8ce228a7acc074b0daf3cd06a37 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
@@ -38,7 +40,7 @@ class SearchBoxView : public views::View,
                 AppListViewDelegate* view_delegate);
   virtual ~SearchBoxView();
 
-  void SetModel(SearchBoxModel* model);
+  void SetModel(AppListModel* model);
 
   bool HasSearch() const;
   void ClearSearch();
@@ -80,7 +82,7 @@ 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_;