Renable ShutdownHandlesWindowActivation on non-Windows platforms.

ash/shelf/shelf_layout_manager_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/shelf/shelf_layout_manager.h"
 
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/accelerators/accelerator_controller.h"
 #include "ash/common/accelerators/accelerator_table.h"
 #include "ash/common/ash_switches.h"
@@ skipping 1884 matching lines @@
       ui::ScopedAnimationDurationScaleMode::SLOW_DURATION);
   GetShelf()->SetAutoHideBehavior(SHELF_AUTO_HIDE_ALWAYS_HIDDEN);
   gfx::Rect hide_target_bounds = status_window->GetTargetBounds();
   EXPECT_GT(hide_target_bounds.y(), initial_bounds.y());
 
   GetShelf()->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_NEVER);
   gfx::Rect reshow_target_bounds = status_window->GetTargetBounds();
   EXPECT_EQ(initial_bounds, reshow_target_bounds);
 }
 
+// Flaky crash on Windows (crbug.com/637873).
+#if defined(OS_WIN)
+#define MAYBE_ShutdownHandlesWindowActivation \
+  DISABLED_ShutdownHandlesWindowActivation
+#else
+#define MAYBE_ShutdownHandlesWindowActivation ShutdownHandlesWindowActivation
+#endif
+
 // Tests that during shutdown, that window activation changes are properly
 // handled, and do not crash (crbug.com/458768)
-TEST_F(ShelfLayoutManagerTest, DISABLED_ShutdownHandlesWindowActivation) {
+TEST_F(ShelfLayoutManagerTest, MAYBE_ShutdownHandlesWindowActivation) {
   GetShelf()->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
 
   aura::Window* window1 = CreateTestWindowInShellWithId(0);
   window1->SetBounds(gfx::Rect(0, 0, 100, 100));
   window1->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
   window1->Show();
   std::unique_ptr<aura::Window> window2(CreateTestWindowInShellWithId(0));
   window2->SetBounds(gfx::Rect(0, 0, 100, 100));
   window2->Show();
   wm::ActivateWindow(window1);
@@ skipping 121 matching lines @@
   // Open keyboard in sticky mode.
   kb_controller->ShowKeyboard(true);
   layout_manager->OnKeyboardBoundsChanging(keyboard_bounds());
 
   // Work area should be changed.
   EXPECT_NE(orig_work_area,
             display::Screen::GetScreen()->GetPrimaryDisplay().work_area());
 }
 
 }  // namespace ash