[Android] Out with the Android GR, in with the new unified C++ GR

ui/events/gesture_detection/gesture_event_params.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_GESTURE_EVENT_PARAMS_H_
-#define UI_EVENTS_GESTURE_DETECTION_GESTURE_EVENT_PARAMS_H_
-
-#include "base/time/time.h"
-#include "ui/events/gesture_detection/gesture_detection_export.h"
-
-namespace ui {
-
-enum GestureEventType {
-  GESTURE_SHOW_PRESS,
-  GESTURE_DOUBLE_TAP,
-  GESTURE_SINGLE_TAP_CONFIRMED,
-  GESTURE_SINGLE_TAP_UNCONFIRMED,
-  GESTURE_LONG_PRESS,
-  GESTURE_SCROLL_BEGIN,
-  GESTURE_SCROLL_UPDATE,
-  GESTURE_SCROLL_END,
-  GESTURE_FLING_START,
-  GESTURE_FLING_CANCEL,
-  GESTURE_PINCH_BEGIN,
-  GESTURE_PINCH_UPDATE,
-  GESTURE_PINCH_END,
-  GESTURE_TAP_CANCEL,
-  GESTURE_LONG_TAP,
-  GESTURE_TAP_DOWN
-};
-
-// TODO(jdduke): Convert all (x,y) and (width,height) pairs to their
-// corresponding gfx:: geometry types.
-struct GESTURE_DETECTION_EXPORT GestureEventParams {
-  struct Data;
-  GestureEventParams(GestureEventType type,
-                     base::TimeTicks time,
-                     float x,
-                     float y,
-                     const Data& data);
-
-  GestureEventType type;
-  base::TimeTicks time;
-  float x;
-  float y;
-
-  // TODO(jdduke): Determine if we can simply re-use blink::WebGestureEvent, as
-  // this is more or less straight up duplication.
-  struct Data {
-    Data();
-    union {
-      struct {
-        int tap_count;
-        float width;
-        float height;
-      } tap;
-
-      struct {
-        float width;
-        float height;
-      } tap_down;
-
-      struct {
-        float width;
-        float height;
-      } show_press;
-
-      struct {
-        float width;
-        float height;
-      } long_press;
-
-      struct {
-        // Initial motion that triggered the scroll.
-        // May be redundant with deltaX/deltaY in the first scrollUpdate.
-        float delta_x_hint;
-        float delta_y_hint;
-      } scroll_begin;
-
-      struct {
-        float delta_x;
-        float delta_y;
-        float velocity_x;
-        float velocity_y;
-      } scroll_update;
-
-      struct {
-        float velocity_x;
-        float velocity_y;
-      } fling_start;
-
-      struct {
-        float scale;
-      } pinch_update;
-    };
-  } data;
-
- private:
-  GestureEventParams();
-};
-
-}  //  namespace ui
-
-#endif  // UI_EVENTS_GESTURE_DETECTION_GESTURE_EVENT_PARAMS_H_