Crash on non-primary full screen exit

ash/screen_ash_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/screen_ash.h"
 
 #include "ash/display/display_controller.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_widget.h"
@@ skipping 53 matching lines @@
     EXPECT_EQ("0,0 500x452",
               ScreenAsh::GetDisplayWorkAreaBoundsInParent(
                   secondary->GetNativeView()).ToString());
   } else {
     EXPECT_EQ("0,0 500x500",
               ScreenAsh::GetDisplayWorkAreaBoundsInParent(
                   secondary->GetNativeView()).ToString());
   }
 }
 
+// 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));

[oshima, 2013/04/04 08:03:22]

check if the secondary is indeed on 2nd display.
EXPECT_EQ(Shell::GetAllRootWindows[1],
secondary->GetNativewView()->GetRootWindow());

+  secondary->Show();
+  secondary->Maximize();
+  secondary->Show();
+  secondary->SetFullscreen(true);
+  secondary->Hide();
+  secondary->Close();
+}
+
 TEST_F(ScreenAshTest, ConvertRect) {
   UpdateDisplay("600x600,500x500");
 
   views::Widget* primary = views::Widget::CreateWindowWithContextAndBounds(
       NULL, CurrentContext(), gfx::Rect(10, 10, 100, 100));
   primary->Show();
   views::Widget* secondary = views::Widget::CreateWindowWithContextAndBounds(
       NULL, CurrentContext(), gfx::Rect(610, 10, 100, 100));
   secondary->Show();
 
@@ skipping 11 matching lines @@
       ScreenAsh::ConvertRectToScreen(
           primary->GetNativeView(), gfx::Rect(30, 30, 100, 100)).ToString());
   EXPECT_EQ(
       "650,50 100x100",
       ScreenAsh::ConvertRectToScreen(
           secondary->GetNativeView(), gfx::Rect(40, 40, 100, 100)).ToString());
 }
 
 }  // namespace test
 }  // namespace ash