Revert 255385 "aura: Remove client::UserActionClient."

trunk/src/chrome/browser/ui/ash/chrome_shell_delegate.cc

Index: trunk/src/chrome/browser/ui/ash/chrome_shell_delegate.cc
===================================================================
--- trunk/src/chrome/browser/ui/ash/chrome_shell_delegate.cc	(revision 255397)
+++ trunk/src/chrome/browser/ui/ash/chrome_shell_delegate.cc	(working copy)
@@ -21,6 +21,7 @@
 #include "chrome/browser/ui/ash/ash_keyboard_controller_proxy.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 #include "chrome/browser/ui/ash/launcher/launcher_context_menu.h"
+#include "chrome/browser/ui/ash/user_action_handler.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/common/chrome_switches.h"
 #include "grit/chromium_strings.h"
@@ -124,6 +125,10 @@
   return shelf_delegate_;
 }
 
+aura::client::UserActionClient* ChromeShellDelegate::CreateUserActionClient() {
+  return new UserActionHandler;
+}
+
 ui::MenuModel* ChromeShellDelegate::CreateContextMenu(
     aura::Window* root,
     ash::ShelfItemDelegate* item_delegate,