Change ui::Event::time_stamp from TimeDelta to TimeTicks

ui/events/ozone/evdev/device_event_dispatcher_evdev.h

 // Copyright 2015 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_OZONE_EVDEV_DEVICE_EVENT_DISPATCHER_H_
 #define UI_EVENTS_OZONE_EVDEV_DEVICE_EVENT_DISPATCHER_H_
 
 #include <vector>
 
 #include "base/time/time.h"
 #include "ui/events/devices/input_device.h"
 #include "ui/events/devices/keyboard_device.h"
 #include "ui/events/devices/touchscreen_device.h"
 #include "ui/events/event.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/ozone/evdev/events_ozone_evdev_export.h"
 #include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/vector2d.h"
 #include "ui/gfx/geometry/vector2d_f.h"
 
 namespace ui {
 
 struct EVENTS_OZONE_EVDEV_EXPORT KeyEventParams {
   KeyEventParams(int device_id,
                  unsigned int code,
                  bool down,
                  bool suppress_auto_repeat,
-                 base::TimeDelta timestamp);
+                 base::TimeTicks timestamp);
   KeyEventParams(const KeyEventParams& other);
   ~KeyEventParams();
 
   int device_id;
   unsigned int code;
   bool down;
   bool suppress_auto_repeat;
-  base::TimeDelta timestamp;
+  base::TimeTicks timestamp;
 };
 
 struct EVENTS_OZONE_EVDEV_EXPORT MouseMoveEventParams {
   MouseMoveEventParams(int device_id,
                        const gfx::PointF& location,
                        const PointerDetails& details,
-                       base::TimeDelta timestamp);
+                       base::TimeTicks timestamp);
   MouseMoveEventParams(const MouseMoveEventParams& other);
   ~MouseMoveEventParams();
 
   int device_id;
   gfx::PointF location;
   PointerDetails pointer_details;
-  base::TimeDelta timestamp;
+  base::TimeTicks timestamp;
 };
 
 struct EVENTS_OZONE_EVDEV_EXPORT MouseButtonEventParams {
   MouseButtonEventParams(int device_id,
                          const gfx::PointF& location,
                          unsigned int button,
                          bool down,
                          bool allow_remap,
                          const PointerDetails& details,
-                         base::TimeDelta timestamp);
+                         base::TimeTicks timestamp);
   MouseButtonEventParams(const MouseButtonEventParams& other);
   ~MouseButtonEventParams();
 
   int device_id;
   gfx::PointF location;
   unsigned int button;
   bool down;
   bool allow_remap;
   PointerDetails pointer_details;
-  base::TimeDelta timestamp;
+  base::TimeTicks timestamp;
 };
 
 struct EVENTS_OZONE_EVDEV_EXPORT MouseWheelEventParams {
   MouseWheelEventParams(int device_id,
                         const gfx::PointF& location,
                         const gfx::Vector2d& delta,
-                        base::TimeDelta timestamp);
+                        base::TimeTicks timestamp);
   MouseWheelEventParams(const MouseWheelEventParams& other);
   ~MouseWheelEventParams();
 
   int device_id;
   gfx::PointF location;
   gfx::Vector2d delta;
-  base::TimeDelta timestamp;
+  base::TimeTicks timestamp;
 };
 
 struct EVENTS_OZONE_EVDEV_EXPORT PinchEventParams {
   PinchEventParams(int device_id,
                    EventType type,
                    const gfx::PointF location,
                    float scale,
-                   const base::TimeDelta timestamp);
+                   const base::TimeTicks timestamp);
   PinchEventParams(const PinchEventParams& other);
   ~PinchEventParams();
 
   int device_id;
   EventType type;
   const gfx::PointF location;
   float scale;
-  const base::TimeDelta timestamp;
+  const base::TimeTicks timestamp;
 };
 
 struct EVENTS_OZONE_EVDEV_EXPORT ScrollEventParams {
   ScrollEventParams(int device_id,
                     EventType type,
                     const gfx::PointF location,
                     const gfx::Vector2dF& delta,
                     const gfx::Vector2dF& ordinal_delta,
                     int finger_count,
-                    const base::TimeDelta timestamp);
+                    const base::TimeTicks timestamp);
   ScrollEventParams(const ScrollEventParams& other);
   ~ScrollEventParams();
 
   int device_id;
   EventType type;
   const gfx::PointF location;
   const gfx::Vector2dF delta;
   const gfx::Vector2dF ordinal_delta;
   int finger_count;
-  const base::TimeDelta timestamp;
+  const base::TimeTicks timestamp;
 };
 
 struct EVENTS_OZONE_EVDEV_EXPORT TouchEventParams {
   TouchEventParams(int device_id,
                    int slot,
                    EventType type,
                    const gfx::PointF& location,
                    const PointerDetails& pointer_details,
-                   const base::TimeDelta& timestamp);
+                   const base::TimeTicks& timestamp);
   TouchEventParams(const TouchEventParams& other);
   ~TouchEventParams();
 
   int device_id;
   int slot;
   EventType type;
   gfx::PointF location;
   PointerDetails pointer_details;
-  base::TimeDelta timestamp;
+  base::TimeTicks timestamp;
 };
 
 // Interface used by device objects for event dispatch.
 class EVENTS_OZONE_EVDEV_EXPORT DeviceEventDispatcherEvdev {
  public:
   DeviceEventDispatcherEvdev() {}
   virtual ~DeviceEventDispatcherEvdev() {}
 
   // User input events.
   virtual void DispatchKeyEvent(const KeyEventParams& params) = 0;
@@ skipping 13 matching lines @@
   virtual void DispatchMouseDevicesUpdated(
       const std::vector<InputDevice>& devices) = 0;
   virtual void DispatchTouchpadDevicesUpdated(
       const std::vector<InputDevice>& devices) = 0;
   virtual void DispatchDeviceListsComplete() = 0;
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_OZONE_EVDEV_DEVICE_EVENT_DISPATCHER_H_