Revert of Unified Gesture Recognizer

ui/events/gestures/gesture_provider_aura.h

-// 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 UI_EVENTS_GESTURE_DETECTION_UI_GESTURE_PROVIDER_H_
-#define UI_EVENTS_GESTURE_DETECTION_UI_GESTURE_PROVIDER_H_
-
-#include "base/basictypes.h"
-#include "ui/events/event.h"
-#include "ui/events/events_export.h"
-#include "ui/events/gesture_detection/filtered_gesture_provider.h"
-#include "ui/events/gesture_detection/gesture_event_data_packet.h"
-#include "ui/events/gesture_detection/touch_disposition_gesture_filter.h"
-#include "ui/events/gestures/motion_event_aura.h"
-
-namespace ui {
-
-class EVENTS_EXPORT GestureProviderAuraClient {
- public:
-  virtual ~GestureProviderAuraClient() {}
-  virtual void OnGestureEvent(GestureEvent* event) = 0;
-};
-
-// Provides gesture detection and dispatch given a sequence of touch events
-// and touch event acks.
-class EVENTS_EXPORT GestureProviderAura : public GestureProviderClient {
- public:
-  GestureProviderAura(GestureProviderAuraClient* client);
-  virtual ~GestureProviderAura();
-
-  bool OnTouchEvent(const TouchEvent& event);
-  void OnTouchEventAck(bool event_consumed);
-  const MotionEventAura& pointer_state() { return pointer_state_; }
-
-  // GestureProviderClient implementation
-  virtual void OnGestureEvent(const GestureEventData& gesture) OVERRIDE;
-
- private:
-  GestureProviderAuraClient* client_;
-  MotionEventAura pointer_state_;
-  FilteredGestureProvider filtered_gesture_provider_;
-
-  int last_touch_event_flags_;
-
-  DISALLOW_COPY_AND_ASSIGN(GestureProviderAura);
-};
-
-}  // namespace ui
-
-#endif  // UI_EVENTS_GESTURE_DETECTION_UI_GESTURE_PROVIDER_H_