cros: Do not change cursor icon over hidden password field.

Bug: 872688
Change-Id: Ia54b127e61d0eb16d673e2b2ae13c4e3aa220b96
Reviewed-on: https://chromium-review.googlesource.com/1208360
Reviewed-by: Mitsuru Oshima <oshima@chromium.org>
Commit-Queue: Jacob Dufault <jdufault@chromium.org>
Cr-Commit-Position: refs/heads/master@{#595509}

diff --git a/ash/login/ui/login_password_view.cc b/ash/login/ui/login_password_view.cc
index d9da3c53..b39d1ce 100644
--- a/ash/login/ui/login_password_view.cc
+++ b/ash/login/ui/login_password_view.cc

@@ -327,11 +327,10 @@
 LoginPasswordView::LoginPasswordView() {
   Shell::Get()->ime_controller()->AddObserver(this);
 
-  auto root_layout =
-      std::make_unique<views::BoxLayout>(views::BoxLayout::kVertical);
+  auto* root_layout = SetLayoutManager(
+      std::make_unique<views::BoxLayout>(views::BoxLayout::kVertical));
   root_layout->set_main_axis_alignment(
       views::BoxLayout::MAIN_AXIS_ALIGNMENT_CENTER);
-  SetLayoutManager(std::move(root_layout));
 
   password_row_ = new NonAccessibleView();