Add policy for ash launcher auto-hide behavior

ash/shell/context_menu.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/shell/context_menu.h"
 
 #include "ash/launcher/launcher.h"
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "ash/wm/shelf_types.h"
@@ skipping 15 matching lines @@
                          IDS_AURA_LAUNCHER_CONTEXT_MENU_POSITION,
                          &alignment_menu_);
 }
 
 ContextMenu::~ContextMenu() {
 }
 
 bool ContextMenu::IsCommandIdChecked(int command_id) const {
   switch (command_id) {
     case MENU_AUTO_HIDE:
-      return Shell::GetInstance()->IsShelfAutoHideMenuHideChecked(root_window_);
+      return Shell::GetInstance()->GetShelfAutoHideBehavior(root_window_) ==
+          ash::SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS;
     default:
       return false;
   }
 }
 
 bool ContextMenu::IsCommandIdEnabled(int command_id) const {
   return true;
 }
 
 bool ContextMenu::GetAcceleratorForCommandId(
       int command_id,
       ui::Accelerator* accelerator) {
   return false;
 }
 
 void ContextMenu::ExecuteCommand(int command_id) {
+  Shell* shell = Shell::GetInstance();
   switch (static_cast<MenuItem>(command_id)) {
     case MENU_AUTO_HIDE:
-      Shell::GetInstance()->SetShelfAutoHideBehavior(
-          Shell::GetInstance()->GetToggledShelfAutoHideBehavior(root_window_),
+      shell->SetShelfAutoHideBehavior(
+          shell->GetShelfAutoHideBehavior(root_window_) ==
+              SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS ?
+                  SHELF_AUTO_HIDE_BEHAVIOR_NEVER :
+                  SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS,
           root_window_);
       break;
     case MENU_ALIGNMENT_MENU:
       break;
   }
 }
 
 }  // namespace shell
 }  // namespace ash