Remove some implicit Point to PointF conversions, add helpers.

ui/base/x/x11_util.cc

Index: ui/base/x/x11_util.cc
diff --git a/ui/base/x/x11_util.cc b/ui/base/x/x11_util.cc
index f7b29fdf6a7fbacf4204702e1e60c1201617b6e9..f36aa0101cebfc17d925b5d7a2c1fd764f98e6c1 100644
--- a/ui/base/x/x11_util.cc
+++ b/ui/base/x/x11_util.cc
@@ -345,7 +345,7 @@ XcursorImage* SkBitmapToXcursorImage(const SkBitmap* cursor_image,
         skia::ImageOperations::RESIZE_BETTER,
         static_cast<int>(cursor_image->width() * scale),
         static_cast<int>(cursor_image->height() * scale));
-    hotspot_point = gfx::ToFlooredPoint(gfx::ScalePoint(hotspot, scale));
+    hotspot_point = gfx::ScaleToFlooredPoint(hotspot, scale);
     needs_scale = true;
   }