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

content/browser/renderer_host/ui_events_helper.cc

 // 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.
 
 #include "content/browser/renderer_host/ui_events_helper.h"
 
 #include <stdint.h>
 
 #include "content/browser/renderer_host/input/web_input_event_util.h"
 #include "content/common/input/web_touch_event_traits.h"
@@ skipping 46 matching lines @@
       break;
     case blink::WebInputEvent::TouchCancel:
       type = ui::ET_TOUCH_CANCELLED;
       break;
     default:
       NOTREACHED();
       return false;
   }
 
   int flags = WebEventModifiersToEventFlags(touch.modifiers);
-  base::TimeDelta timestamp = base::TimeDelta::FromMicroseconds(
-      static_cast<int64_t>(touch.timeStampSeconds * 1000000));
+  base::TimeTicks timestamp =
+      base::TimeTicks() + base::TimeDelta::FromSecondsD(touch.timeStampSeconds);
   for (unsigned i = 0; i < touch.touchesLength; ++i) {
     const blink::WebTouchPoint& point = touch.touches[i];
     if (WebTouchPointStateToEventType(point.state) != type)
       continue;
     // ui events start in the co-ordinate space of the EventDispatcher.
     gfx::PointF location;
     if (coordinate_system == LOCAL_COORDINATES)
       location = point.position;
     else
       location = point.screenPosition;
     ui::TouchEvent* uievent = new ui::TouchEvent(
         type, gfx::Point(), flags, point.id, timestamp, point.radiusX,
         point.radiusY, point.rotationAngle, point.force);
     uievent->set_location_f(location);
     uievent->set_root_location_f(location);
     uievent->set_latency(touch_with_latency.latency);
     list->push_back(uievent);
   }
   return true;
 }
 
 blink::WebGestureEvent MakeWebGestureEventFromUIEvent(
     const ui::GestureEvent& event) {
   return ui::CreateWebGestureEvent(event.details(), event.time_stamp(),
                                    event.location_f(), event.root_location_f(),
                                    event.flags());
 }
 
 }  // namespace content