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

ui/views/widget/root_view.cc

Index: ui/views/widget/root_view.cc
diff --git a/ui/views/widget/root_view.cc b/ui/views/widget/root_view.cc
index b103943cd13e3bd81f2f5af4ac652c1a13e47c4e..07afc32ee5dbfccb883270d6819f040ddceb98ac 100644
--- a/ui/views/widget/root_view.cc
+++ b/ui/views/widget/root_view.cc
@@ -276,7 +276,8 @@ bool RootView::OnMousePressed(const ui::MouseEvent& event) {
 
   bool hit_disabled_view = false;
   // Walk up the tree until we find a view that wants the mouse event.
-  for (mouse_pressed_handler_ = GetEventHandlerForPoint(event.location());
+  for (mouse_pressed_handler_ =
+           GetEventHandlerForPoint(gfx::ToFlooredPoint(event.location()));
        mouse_pressed_handler_ && (mouse_pressed_handler_ != this);
        mouse_pressed_handler_ = mouse_pressed_handler_->parent()) {
     DVLOG(1) << "OnMousePressed testing "
@@ -395,7 +396,7 @@ void RootView::OnMouseCaptureLost() {
 }
 
 void RootView::OnMouseMoved(const ui::MouseEvent& event) {
-  View* v = GetEventHandlerForPoint(event.location());
+  View* v = GetEventHandlerForPoint(gfx::ToFlooredPoint(event.location()));
   // Find the first enabled view, or the existing move handler, whichever comes
   // first.  The check for the existing handler is because if a view becomes
   // disabled while handling moves, it's wrong to suddenly send ET_MOUSE_EXITED
@@ -471,8 +472,9 @@ void RootView::OnMouseExited(const ui::MouseEvent& event) {
 }
 
 bool RootView::OnMouseWheel(const ui::MouseWheelEvent& event) {
-  for (View* v = GetEventHandlerForPoint(event.location());
-       v && v != this && !event.handled(); v = v->parent()) {
+  for (View* v = GetEventHandlerForPoint(gfx::ToFlooredPoint(event.location()));
+       v && v != this && !event.handled();
+       v = v->parent()) {
     ui::EventDispatchDetails dispatch_details =
         DispatchEvent(v, const_cast<ui::MouseWheelEvent*>(&event));
     if (dispatch_details.dispatcher_destroyed ||
@@ -589,11 +591,12 @@ void RootView::DispatchGestureEvent(ui::GestureEvent* event) {
     // TODO(tdanderson): Pass in the bounding box to GetEventHandlerForRect()
     // once crbug.com/313392 is resolved.
     gfx::Rect touch_rect(event->details().bounding_box());
-    touch_rect.set_origin(event->location());
+    touch_rect.set_origin(gfx::ToFlooredPoint(event->location()));
     touch_rect.Offset(-touch_rect.width() / 2, -touch_rect.height() / 2);
     gesture_handler = GetEventHandlerForRect(touch_rect);
   } else {
-    gesture_handler = GetEventHandlerForPoint(event->location());
+    gesture_handler =
+        GetEventHandlerForPoint(gfx::ToFlooredPoint(event->location()));
   }
 
   // Walk up the tree until we find a view that wants the gesture event.
@@ -701,8 +704,10 @@ View::DragInfo* RootView::GetDragInfo() {
 // Input -----------------------------------------------------------------------
 
 void RootView::DispatchScrollEvent(ui::ScrollEvent* event) {
-  for (View* v = GetEventHandlerForPoint(event->location());
-       v && v != this && !event->stopped_propagation(); v = v->parent()) {
+  for (View* v =
+           GetEventHandlerForPoint(gfx::ToFlooredPoint(event->location()));
+       v && v != this && !event->stopped_propagation();
+       v = v->parent()) {
     ui::EventDispatchDetails dispatch_details = DispatchEvent(v, event);
     if (dispatch_details.dispatcher_destroyed ||
         dispatch_details.target_destroyed) {
@@ -721,7 +726,7 @@ void RootView::DispatchScrollEvent(ui::ScrollEvent* event) {
 
 void RootView::UpdateCursor(const ui::MouseEvent& event) {
   if (!(event.flags() & ui::EF_IS_NON_CLIENT)) {
-    View* v = GetEventHandlerForPoint(event.location());
+    View* v = GetEventHandlerForPoint(gfx::ToFlooredPoint(event.location()));
     ui::MouseEvent me(event, static_cast<View*>(this), v);
     widget_->SetCursor(v->GetCursor(me));
   }