Crash on non-primary full screen exit

ash/screen_ash_unittest.cc

Index: ash/screen_ash_unittest.cc
diff --git a/ash/screen_ash_unittest.cc b/ash/screen_ash_unittest.cc
index b00eb54331df9fd32e107493964cd5f6c82f04e7..7ef789b8abd98985a7b8fb1fe6dac5045fcc975d 100644
--- a/ash/screen_ash_unittest.cc
+++ b/ash/screen_ash_unittest.cc
@@ -71,6 +71,22 @@ TEST_F(ScreenAshTest, Bounds) {
   }
 }
 
+// Test verifies a stable handling of secondary screen widget changes
+// (crbug.com/226132).
+TEST_F(ScreenAshTest, StabilityTest) {
+  UpdateDisplay("600x600,500x500");
+  views::Widget* secondary = views::Widget::CreateWindowWithContextAndBounds(
+      NULL, CurrentContext(), gfx::Rect(610, 10, 100, 100));
+  EXPECT_EQ(Shell::GetAllRootWindows()[1],
+      secondary->GetNativeView()->GetRootWindow());
+  secondary->Show();
+  secondary->Maximize();
+  secondary->Show();
+  secondary->SetFullscreen(true);
+  secondary->Hide();
+  secondary->Close();
+}
+
 TEST_F(ScreenAshTest, ConvertRect) {
   UpdateDisplay("600x600,500x500");