Do not toggle Applist with Search key press when accessibility is enabled.

ash/shell/shell_delegate_impl.h

 // 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.
 
 #ifndef ASH_SHELL_SHELL_DELEGATE_IMPL_H_
 #define ASH_SHELL_SHELL_DELEGATE_IMPL_H_
 #pragma once
 
 #include "ash/shell_delegate.h"
 #include "base/compiler_specific.h"
@@ skipping 21 matching lines @@
   virtual void NewWindow(bool incognito) OVERRIDE;
   virtual void OpenFileManager(bool as_dialog) OVERRIDE;
   virtual void OpenCrosh() OVERRIDE;
   virtual void OpenMobileSetup(const std::string& service_path) OVERRIDE;
   virtual void RestoreTab() OVERRIDE;
   virtual bool RotatePaneFocus(Shell::Direction direction) OVERRIDE;
   virtual void ShowKeyboardOverlay() OVERRIDE;
   virtual void ShowTaskManager() OVERRIDE;
   virtual content::BrowserContext* GetCurrentBrowserContext() OVERRIDE;
   virtual void ToggleSpokenFeedback() OVERRIDE;
+  virtual bool IsSpokenFeedbackEnabled() const OVERRIDE;
   virtual app_list::AppListViewDelegate* CreateAppListViewDelegate() OVERRIDE;
   virtual void StartPartialScreenshot(
       ash::ScreenshotDelegate* screenshot_delegate) OVERRIDE;
   virtual ash::LauncherDelegate* CreateLauncherDelegate(
       ash::LauncherModel* model) OVERRIDE;
   virtual ash::SystemTrayDelegate* CreateSystemTrayDelegate(
       ash::SystemTray* tray) OVERRIDE;
   virtual ash::UserWallpaperDelegate* CreateUserWallpaperDelegate() OVERRIDE;
   virtual aura::client::UserActionClient* CreateUserActionClient() OVERRIDE;
 
  private:
   // Used to update Launcher. Owned by main.
   WindowWatcher* watcher_;
 
   LauncherDelegateImpl* launcher_delegate_;
 
   bool locked_;
+  bool spoken_feedback_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellDelegateImpl);
 };
 
 }  // namespace shell
 }  // namespace ash
 
 #endif  // ASH_SHELL_SHELL_DELEGATE_IMPL_H_