Use WS_POPUP for ash_unittests

ash/dip_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 <vector>
 
 #include "ash/launcher/launcher.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/window_properties.h"
 #include "ash/wm/window_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/aura/client/activation_client.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/compositor/layer.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/insets.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/corewm/shadow.h"
 #include "ui/views/corewm/shadow_controller.h"
 #include "ui/views/corewm/shadow_types.h"
 #include "ui/views/widget/widget.h"
 
 namespace ash {
 
 typedef ash::test::AshTestBase DIPTest;
 
-#if defined(OS_WIN)
-// Windows/Aura doesn't have DIP support in display yet.
-#define MAYBE_WorkArea DISABLED_WorkArea
-#else
-#define MAYBE_WorkArea WorkArea
-#endif
-
 // Test if the WM sets correct work area under different density.
-TEST_F(DIPTest, MAYBE_WorkArea) {
+TEST_F(DIPTest, WorkArea) {
   ChangeDisplayConfig(1.0f, gfx::Rect(0, 0, 1000, 900));
 
   aura::RootWindow* root = Shell::GetPrimaryRootWindow();
   const gfx::Display display =
       Shell::GetScreen()->GetDisplayNearestWindow(root);
 
   EXPECT_EQ("0,0 1000x900", display.bounds().ToString());
   gfx::Rect work_area = display.work_area();
   EXPECT_EQ("0,0 1000x852", work_area.ToString());
   EXPECT_EQ("0,0,48,0", display.bounds().InsetsFrom(work_area).ToString());
@@ skipping 14 matching lines @@
 
   // Sanity check if the workarea's inset hight is same as
   // the launcher's height.
   Launcher* launcher = Launcher::ForPrimaryDisplay();
   EXPECT_EQ(
       display_2x.bounds().InsetsFrom(work_area).height(),
       launcher->widget()->GetNativeView()->layer()->bounds().height());
 }
 
 }  // namespace ash