Revert 284819 because it introduces leaks in TestingBoundaries and

trunk/src/ash/ash_touch_exploration_manager_chromeos.h

Index: trunk/src/ash/ash_touch_exploration_manager_chromeos.h
===================================================================
--- trunk/src/ash/ash_touch_exploration_manager_chromeos.h	(revision 284848)
+++ trunk/src/ash/ash_touch_exploration_manager_chromeos.h	(working copy)
@@ -1,52 +0,0 @@
-// Copyright 2014 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_TOUCH_EXPLORATION_MANAGER_CHROMEOS_H_
-#define ASH_TOUCH_EXPLORATION_MANAGER_CHROMEOS_H_
-
-#include "ash/ash_export.h"
-#include "ash/system/tray_accessibility.h"
-#include "ui/chromeos/touch_exploration_controller.h"
-
-namespace chromeos {
-class CrasAudioHandler;
-}
-
-namespace ash {
-class RootWindowController;
-
-// Responsible for initializing TouchExplorationController when spoken
-// feedback is on for ChromeOS only. This class implements
-// TouchExplorationControllerDelegate which allows touch gestures to manipulate
-// the system.
-class ASH_EXPORT AshTouchExplorationManager
-    : public ash::AccessibilityObserver,
-      public ui::TouchExplorationControllerDelegate {
- public:
-  explicit AshTouchExplorationManager(
-      RootWindowController* root_window_controller);
-  virtual ~AshTouchExplorationManager();
-
-  // AccessibilityObserver overrides:
-  virtual void OnAccessibilityModeChanged(
-      AccessibilityNotificationVisibility notify) OVERRIDE;
-
-  // TouchExplorationControllerDelegate overrides:
-  virtual void PlayVolumeAdjustSound() OVERRIDE;
-  virtual void SetOutputLevel(int volume) OVERRIDE;
-
- private:
-  void UpdateTouchExplorationState();
-  bool VolumeAdjustSoundEnabled();
-
-  scoped_ptr<ui::TouchExplorationController> touch_exploration_controller_;
-  RootWindowController* root_window_controller_;
-  chromeos::CrasAudioHandler* audio_handler_;
-
-  DISALLOW_COPY_AND_ASSIGN(AshTouchExplorationManager);
-};
-
-}  // namespace ash
-
-#endif  // ASH_TOUCH_EXPLORATION_MANAGER_CHROMEOS_H_