Remove outdated TODOs for issue 337824.

ash/wm/toplevel_window_event_handler.cc

Index: ash/wm/toplevel_window_event_handler.cc
diff --git a/ash/wm/toplevel_window_event_handler.cc b/ash/wm/toplevel_window_event_handler.cc
index 884efd40b51b74108ab8609c3a3d9a37eec4407c..ecb4b3be9886db56d78befdec9b5b7d66d916d9b 100644
--- a/ash/wm/toplevel_window_event_handler.cc
+++ b/ash/wm/toplevel_window_event_handler.cc
@@ -395,7 +395,6 @@ aura::client::WindowMoveResult ToplevelWindowEventHandler::RunMoveLoop(
   DCHECK(!in_move_loop_);  // Can only handle one nested loop at a time.
   aura::Window* root_window = source->GetRootWindow();
   DCHECK(root_window);
-  // TODO(tdresser): Use gfx::PointF. See crbug.com/337824.
   gfx::Point drag_location;
   if (move_source == aura::client::WINDOW_MOVE_SOURCE_TOUCH &&
       aura::Env::GetInstance()->is_touch_down()) {