ui::LocatedEvent location() returns gfx::PointF

ash/frame/caption_buttons/alternate_frame_size_button.cc

Index: ash/frame/caption_buttons/alternate_frame_size_button.cc
diff --git a/ash/frame/caption_buttons/alternate_frame_size_button.cc b/ash/frame/caption_buttons/alternate_frame_size_button.cc
index 54799cb134f82e62d9b5458a3ea98776149d120e..f3303ab8ebd9b58f5e0981315b3b1564270650c9 100644
--- a/ash/frame/caption_buttons/alternate_frame_size_button.cc
+++ b/ash/frame/caption_buttons/alternate_frame_size_button.cc
@@ -137,7 +137,8 @@ void AlternateFrameSizeButton::OnGestureEvent(ui::GestureEvent* event) {
 
 void AlternateFrameSizeButton::StartSetButtonsToSnapModeTimer(
     const ui::LocatedEvent& event) {
-  set_buttons_to_snap_mode_timer_event_location_ = event.location();
+  set_buttons_to_snap_mode_timer_event_location_ =
+      gfx::ToFlooredPoint(event.location());
   if (set_buttons_to_snap_mode_delay_ms_ == 0) {
     AnimateButtonsToSnapMode();
   } else {
@@ -177,8 +178,8 @@ void AlternateFrameSizeButton::UpdateSnapType(const ui::LocatedEvent& event) {
     // |set_buttons_to_snap_mode_timer_| is checked to avoid entering the snap
     // mode as a result of an unsupported drag type (e.g. only the right mouse
     // button is pressed).
-    gfx::Vector2d delta(
-        event.location() - set_buttons_to_snap_mode_timer_event_location_);
+    gfx::Vector2d delta(gfx::ToFlooredPoint(event.location()) -
+                        set_buttons_to_snap_mode_timer_event_location_);
     if (!set_buttons_to_snap_mode_timer_.IsRunning() ||
         !views::View::ExceededDragThreshold(delta)) {
       return;
@@ -186,7 +187,7 @@ void AlternateFrameSizeButton::UpdateSnapType(const ui::LocatedEvent& event) {
     AnimateButtonsToSnapMode();
   }
 
-  gfx::Point event_location_in_screen(event.location());
+  gfx::Point event_location_in_screen(gfx::ToFlooredPoint(event.location()));
   views::View::ConvertPointToScreen(this, &event_location_in_screen);
   const FrameCaptionButton* to_hover =
       GetButtonToHover(event_location_in_screen);