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

ui/views/mus/window_manager_connection.cc

Index: ui/views/mus/window_manager_connection.cc
diff --git a/ui/views/mus/window_manager_connection.cc b/ui/views/mus/window_manager_connection.cc
index 97d97658babd44f3b48784501c236965936479ce..c57b20e7e9437cd44936b234ec30b08c0446b8ab 100644
--- a/ui/views/mus/window_manager_connection.cc
+++ b/ui/views/mus/window_manager_connection.cc
@@ -43,9 +43,9 @@ struct TypeConverter<gfx::Display, mus::mojom::DisplayPtr> {
     result.SetScaleAndBounds(input->device_pixel_ratio,
                              input->bounds.To<gfx::Rect>());
     gfx::Rect work_area(
-        gfx::ToFlooredPoint(gfx::ScalePoint(
+        gfx::ScaleToFlooredPoint(
             gfx::Point(input->work_area->x, input->work_area->y),
-            1.0f / input->device_pixel_ratio)),
+            1.0f / input->device_pixel_ratio),
         gfx::ScaleToFlooredSize(
             gfx::Size(input->work_area->width, input->work_area->height),
             1.0f / input->device_pixel_ratio));