Exempt status bubble windows from status bar darkening

ash/wm/workspace/workspace_manager2_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/workspace/workspace_manager2.h"
 
 #include "ash/ash_switches.h"
 #include "ash/screen_ash.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
@@ skipping 450 matching lines @@
 
   scoped_ptr<Window> w1(CreateTestWindow());
   const gfx::Rect w1_bounds(0, 1, 101, 102);
   ShelfLayoutManager* shelf = Shell::GetInstance()->shelf();
   const gfx::Rect touches_shelf_bounds(
       0, shelf->GetIdealBounds().y() - 10, 101, 102);
   // Move |w1| to overlap the shelf.
   w1->SetBounds(touches_shelf_bounds);
   EXPECT_FALSE(GetWindowOverlapsShelf());
 
+  // A visible ignored window should not trigger the overlap.
+  scoped_ptr<Window> w_ignored(CreateTestWindow());
+  w_ignored->SetBounds(touches_shelf_bounds);
+  SetIgnoredByShelf(&(*w_ignored), true);
+  w_ignored->Show();
+  EXPECT_FALSE(GetWindowOverlapsShelf());
+
   // Make it visible, since visible shelf overlaps should be true.
   w1->Show();
   EXPECT_TRUE(GetWindowOverlapsShelf());
 
   wm::ActivateWindow(w1.get());
   w1->SetBounds(w1_bounds);
   w1->Show();
   wm::ActivateWindow(w1.get());
 
   EXPECT_EQ(ShelfLayoutManager::VISIBLE, shelf->visibility_state());
@@ skipping 402 matching lines @@
   w2->SetProperty(aura::client::kShowStateKey, ui::SHOW_STATE_MAXIMIZED);
   w2->Show();
   wm::ActivateWindow(w2.get());
 
   // Switch to w1.
   wm::ActivateWindow(w1.get());
   EXPECT_EQ(touches_shelf_bounds.ToString(), w1->bounds().ToString());
 }
 }  // namespace internal
 }  // namespace ash