Disable flaky WidgetTest.DesktopNativeWidgetNoPaintAfterCloseTest on Windows.

ui/views/widget/widget_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <algorithm>
 #include <memory>
 #include <set>
 
 #include "base/bind.h"
 #include "base/macros.h"
@@ skipping 1353 matching lines @@
   Init(init_params);
 
   View* contents_view = new View;
   contents_view->SetFocusBehavior(View::FocusBehavior::ALWAYS);
   SetContentsView(contents_view);
 
   Show();
   Activate();
 }
 
-#if defined(OS_LINUX)
+#if defined(OS_LINUX) || defined(OS_WIN)
 // Flaky on Linux rel ng: https://crbug.com/596039.
 #define MAYBE_DesktopNativeWidgetNoPaintAfterCloseTest DISABLED_DesktopNativeWidgetNoPaintAfterCloseTest
 #else
 #define MAYBE_DesktopNativeWidgetNoPaintAfterCloseTest DesktopNativeWidgetNoPaintAfterCloseTest
 #endif
 
 TEST_F(WidgetTest, MAYBE_DesktopNativeWidgetNoPaintAfterCloseTest) {
   DesktopAuraTestValidPaintWidget widget;
   widget.InitForTest(CreateParams(Widget::InitParams::TYPE_WINDOW_FRAMELESS));
   RunPendingMessages();
@@ skipping 2327 matching lines @@
   EXPECT_FALSE(!!IsWindow(owned_hwnd));
   EXPECT_TRUE(!!IsWindowEnabled(top_hwnd));
 
   top_level_widget.CloseNow();
 }
 
 #endif  // defined(OS_WIN)
 
 }  // namespace test
 }  // namespace views