Remove stops_event_propagation from Window, since it's broken.

ash/wm/system_modal_container_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/wm/system_modal_container_layout_manager.h"
 
 #include "ash/shell.h"
+#include "ash/shell_delegate.h"
 #include "ash/shell_window_ids.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/window_util.h"
 #include "base/compiler_specific.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/test/event_generator.h"
 #include "ui/aura/window.h"
 #include "ui/views/events/event.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
@@ skipping 202 matching lines @@
   // Create a modal window for the main window and verify that the main window
   // no longer receives mouse events.
   EventTestWindow* transient_delegate = new EventTestWindow(true);
   aura::Window* transient = transient_delegate->OpenTestWindow(main.get());
   EXPECT_TRUE(wm::IsActiveWindow(transient));
   e1.ClickLeftButton();
   EXPECT_EQ(1, transient_delegate->mouse_presses());
 
   // Create a window in the lock screen container and ensure that it receives
   // the mouse event instead of the modal window (crbug.com/110920).
+  Shell::GetInstance()->delegate()->LockScreen();
   EventTestWindow* lock_delegate = new EventTestWindow(false);
   scoped_ptr<aura::Window> lock(lock_delegate->OpenTestWindow(
       Shell::GetInstance()->GetContainer(
           ash::internal::kShellWindowId_LockScreenContainer)));
   EXPECT_TRUE(wm::IsActiveWindow(lock.get()));
   e1.ClickLeftButton();
   EXPECT_EQ(1, lock_delegate->mouse_presses());
 
   // Make sure that a modal container created by the lock screen can still
   // receive mouse events.
   EventTestWindow* lock_modal_delegate = new EventTestWindow(true);
   aura::Window* lock_modal = lock_modal_delegate->OpenTestWindow(lock.get());
   EXPECT_TRUE(wm::IsActiveWindow(lock_modal));
   e1.ClickLeftButton();
   EXPECT_EQ(1, main_delegate->mouse_presses());
 
   // Verify that none of the other containers received any more mouse presses.
   EXPECT_EQ(1, transient_delegate->mouse_presses());
   EXPECT_EQ(1, lock_delegate->mouse_presses());
   EXPECT_EQ(1, lock_modal_delegate->mouse_presses());
+
+  Shell::GetInstance()->delegate()->UnlockScreen();
 }
 
 }  // namespace test
 }  // namespace ash