Move app list from ash to ui.

ash/shell.h

Index: ash/shell.h
===================================================================
--- ash/shell.h	(revision 135932)
+++ ash/shell.h	(working copy)
@@ -62,9 +62,9 @@
 class WindowCycleController;
 
 namespace internal {
+class AcceleratorFilter;
 class ActivationController;
-class AcceleratorFilter;
-class AppList;
+class AppListController;
 class DragDropController;
 class EventClientImpl;
 class FocusCycler;
@@ -323,7 +323,7 @@
 
   scoped_ptr<Launcher> launcher_;
 
-  scoped_ptr<internal::AppList> app_list_;
+  scoped_ptr<internal::AppListController> app_list_controller_;
 
   scoped_ptr<internal::ShellContextMenu> shell_context_menu_;
   scoped_ptr<internal::StackingController> stacking_controller_;