gfx: Make conversions from gfx::Point to PointF explicit.

ui/views/widget/widget.cc

Index: ui/views/widget/widget.cc
diff --git a/ui/views/widget/widget.cc b/ui/views/widget/widget.cc
index 154d107a63b298fbb7f6d0eb764d924ecc1a734b..a7ca7cd464f0da2f87c8706a8c3f043001ca9ca4 100644
--- a/ui/views/widget/widget.cc
+++ b/ui/views/widget/widget.cc
@@ -997,8 +997,8 @@ void Widget::SynthesizeMouseMoveEvent() {
   // Convert: screen coordinate -> widget coordinate.
   View::ConvertPointFromScreen(root_view_.get(), &mouse_location);
   last_mouse_event_was_move_ = false;
-  ui::MouseEvent mouse_event(ui::ET_MOUSE_MOVED, mouse_location,
-                             mouse_location, ui::EventTimeForNow(),
+  ui::MouseEvent mouse_event(ui::ET_MOUSE_MOVED, gfx::PointF(mouse_location),
+                             gfx::PointF(mouse_location), ui::EventTimeForNow(),
                              ui::EF_IS_SYNTHESIZED, 0);
   root_view_->OnMouseMoved(mouse_event);
 }