Remove some implicit Point to PointF conversions, add helpers.

ui/base/cursor/cursor_util.cc

Index: ui/base/cursor/cursor_util.cc
diff --git a/ui/base/cursor/cursor_util.cc b/ui/base/cursor/cursor_util.cc
index 6eb893e3732b2487247b5c76b1805dfeda87e085..193ab7361909507b4569d624b88b5885d672c303 100644
--- a/ui/base/cursor/cursor_util.cc
+++ b/ui/base/cursor/cursor_util.cc
@@ -56,7 +56,7 @@ void ScaleAndRotateCursorBitmapAndHotpoint(float scale,
       skia::ImageOperations::RESIZE_BETTER,
       scaled_size.width(),
       scaled_size.height());
-  *hotpoint = gfx::ToFlooredPoint(gfx::ScalePoint(*hotpoint, scale));
+  *hotpoint = gfx::ScaleToFlooredPoint(*hotpoint, scale);
 }
 
 void GetImageCursorBitmap(int resource_id,