Skip mulitple-dispay tests on win8

ash/wm/window_cycle_controller_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 "ash/wm/window_cycle_controller.h"
 
 #include <algorithm>
 
 #include "ash/display/display_controller.h"
 #include "ash/display/display_manager.h"
@@ skipping 300 matching lines @@
   controller->HandleCycleWindow(WindowCycleController::FORWARD, true);
   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 
   controller->HandleCycleWindow(WindowCycleController::FORWARD, true);
   EXPECT_TRUE(wm::IsActiveWindow(window1.get()));
 
   controller->HandleCycleWindow(WindowCycleController::FORWARD, true);
   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 }
 
-#if defined(OS_WIN)
-// Multiple displays are not supported on Windows Ash. http://crbug.com/165962
-#define MAYBE_AlwaysOnTopMultipleRootWindows \
-        DISABLED_AlwaysOnTopMultipleRootWindows
-#else
-#define MAYBE_AlwaysOnTopMultipleRootWindows \
-        AlwaysOnTopMultipleRootWindows
-#endif
+TEST_F(WindowCycleControllerTest, AlwaysOnTopMultipleRootWindows) {
+  if (!SupportsMultipleDisplays())
+    return;
 
-
-TEST_F(WindowCycleControllerTest, MAYBE_AlwaysOnTopMultipleRootWindows) {
   // Set up a second root window
   UpdateDisplay("1000x600,600x400");
   Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
   ASSERT_EQ(2U, root_windows.size());
 
   WindowCycleController* controller =
       Shell::GetInstance()->window_cycle_controller();
 
   Shell::GetInstance()->set_active_root_window(root_windows[0]);
 
@@ skipping 100 matching lines @@
   controller->HandleCycleWindow(WindowCycleController::FORWARD, true);
   EXPECT_TRUE(wm::IsActiveWindow(window2.get()));
 
   controller->HandleCycleWindow(WindowCycleController::FORWARD, true);
   EXPECT_TRUE(wm::IsActiveWindow(window0.get()));
 }
 
 }  // namespace
 
 }  // namespace ash