Add persisted preference for projection touch HUD

ash/test/test_shell_delegate.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_TEST_TEST_SHELL_DELEGATE_H_
 #define ASH_TEST_TEST_SHELL_DELEGATE_H_
 
 #include <string>
 
 #include "ash/shell_delegate.h"
@@ skipping 64 matching lines @@
   virtual void HandleMediaPlayPause() OVERRIDE;
   virtual void HandleMediaPrevTrack() OVERRIDE;
   virtual base::string16 GetTimeRemainingString(base::TimeDelta delta) OVERRIDE;
   virtual base::string16 GetTimeDurationLongString(
       base::TimeDelta delta) OVERRIDE;
   virtual void SaveScreenMagnifierScale(double scale) OVERRIDE;
   virtual double GetSavedScreenMagnifierScale() OVERRIDE;
   virtual ui::MenuModel* CreateContextMenu(aura::RootWindow* root) OVERRIDE;
   virtual RootWindowHostFactory* CreateRootWindowHostFactory() OVERRIDE;
   virtual base::string16 GetProductName() const OVERRIDE;
+  virtual bool IsTouchHudProjectionEnabled() const OVERRIDE;
+  virtual void ToggleTouchHudProjection() OVERRIDE;
 
   int num_exit_requests() const { return num_exit_requests_; }
 
   TestSessionStateDelegate* test_session_state_delegate();
 
  private:
   bool spoken_feedback_enabled_;
   bool high_contrast_enabled_;
   bool screen_magnifier_enabled_;
   MagnifierType screen_magnifier_type_;
   bool large_cursor_enabled_;
   int num_exit_requests_;
   bool multi_profiles_enabled_;
 
   scoped_ptr<content::BrowserContext> current_browser_context_;
 
   TestSessionStateDelegate* test_session_state_delegate_;  // Not owned.
 
   DISALLOW_COPY_AND_ASSIGN(TestShellDelegate);
 };
 
 }  // namespace test
 }  // namespace ash
 
 #endif  // ASH_TEST_TEST_SHELL_DELEGATE_H_