[ozone/wayland] Use ui::EventTimeForNow for pointer events

Fixes crash when focusing textfield with pointer click

Bug: 878692

Change-Id: Ifb66115e42bdd06c572f784dff673309a2562598
Reviewed-on: https://chromium-review.googlesource.com/1193870Reviewed-by: Maksim Sisov <msisov@igalia.com>
Commit-Queue: Jani Hautakangas <jani.hautakangas@lge.com>
Cr-Commit-Position: refs/heads/master@{#595803}

ui/ozone/platform/wayland/wayland_pointer.cc

@@ -94,8 +94,8 @@ void WaylandPointer::Motion(void* data,
   pointer->location_.SetPoint(wl_fixed_to_double(surface_x),
                               wl_fixed_to_double(surface_y));
   MouseEvent event(ET_MOUSE_MOVED, gfx::Point(), gfx::Point(),
-                   base::TimeTicks() + base::TimeDelta::FromMilliseconds(time),
-                   pointer->GetFlagsWithKeyboardModifiers(), 0);
+                   EventTimeForNow(), pointer->GetFlagsWithKeyboardModifiers(),
+                   0);
   event.set_location_f(pointer->location_);
   event.set_root_location_f(pointer->location_);
   pointer->callback_.Run(&event);
@@ -146,10 +146,8 @@ void WaylandPointer::Button(void* data,
 
   // MouseEvent's flags should contain the button that was released too.
   const int flags = pointer->GetFlagsWithKeyboardModifiers() | changed_button;
-  MouseEvent event(type, gfx::Point(), gfx::Point(),
-                   base::TimeTicks() + base::TimeDelta::FromMilliseconds(time),
-                   flags, changed_button);
-
+  MouseEvent event(type, gfx::Point(), gfx::Point(), EventTimeForNow(), flags,
+                   changed_button);
   event.set_location_f(pointer->location_);
   event.set_root_location_f(pointer->location_);
 
@@ -187,9 +185,7 @@ void WaylandPointer::Axis(void* data,
                  MouseWheelEvent::kWheelDelta);
   else
     return;
-  MouseWheelEvent event(
-      offset, gfx::Point(), gfx::Point(),
-      base::TimeTicks() + base::TimeDelta::FromMilliseconds(time),
+  MouseWheelEvent event(offset, gfx::Point(), gfx::Point(), EventTimeForNow(),
                         pointer->GetFlagsWithKeyboardModifiers(), 0);
   event.set_location_f(pointer->location_);
   event.set_root_location_f(pointer->location_);